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Suchergebnisse für: SLIDE RULE

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Relevanz

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Patent:11007508 17.01.2011 Wiberg, Allan (P) : Adding Machine [3.24%]
Patent:11007910 17.01.2011 F. J. Baker : Ellipsograph Machine [11.65%]
Patent:11009493 17.01.2011 J. A. Ettler : Combined Record Book and Slide Rule [24.38%]
Patent:11011073 17.01.2011 Moe, Adolf Thorwald (P) Knudsen & Bommen, Addo Norwegen (P) : Calculating Machine [3.21%]
Patent:11012660 17.01.2011 G. Lange : Calculating Device [8.49%]
Patent:11014832 17.01.2011 D. Love : Train Speed Computer and Indicator [11.50%]
Patent:11016245 17.01.2011 E. Attaway : Mathematical Computer and Register [3.12%]
Patent:11016501 17.01.2011 Horton, Allen (P) Burroughs Adding Machine Co. : Adding Machine [2.81%]
Patent:11017719 17.01.2011 H. R. Watts : Circular Slide Rule [31.56%]
Patent:11021484 17.01.2011 G. W. Richardson : Slide Rule [23.24%]
Patent:11024072 17.01.2011 G. W. Goss : Calculating Machine [4.43%]
Patent:11026560 17.01.2011 L. Burke : Ellipsograph [8.79%]
Patent:11028237 17.01.2011 A. N. Lurie : Slide Rule [33.67%]
Patent:11036375 17.01.2011 T. Teraoka : Adding Machine [2.84%]
Patent:11036575 17.01.2011 Daemen-Schmid, Heinrich (P) : Computing Device [9.46%]
Patent:11038774 17.01.2011 F. L. Manny : Computing Machine [8.09%]
Patent:11040592 17.01.2011 H. A. Thomas : Computing Device [15.61%]
Patent:11044020 17.01.2011 H. W. Clement : Key Mechanism for Calculating Machines [12.36%]
Patent:11044240 17.01.2011 I. Pletnik : Calculating Machine [6.01%]
Patent:11047854 17.01.2011 C. H. Tallmadge : Method of Performing Division [4.62%]
Patent:11048718 17.01.2011 R. L. McCormick : Stadia Attachement for Angle Indicators [6.39%]
Patent:11049929 17.01.2011 F. L. H. Sims : Key Operated Mechanism for Actuating, Recording, or Indicating Apparatus [8.30%]
Patent:11050129 17.01.2011 R. M. Hamby : Slide Rule [28.76%]
Patent:11052811 17.01.2011 C. E. W. Gardner : Recording Mechanism [12.39%]
Patent:11055303 17.01.2011 W. S. Elliott : Ellipsograph [7.39%]
Patent:11056775 17.01.2011 D. W. Erunton : Circular Slide Rule [27.99%]
Patent:11058148 17.01.2011 W. S. Buvinger : Calculating Instrument [2.64%]
Patent:11062321 17.01.2011 J. W. Buzzel : Sliding Rule [22.32%]
Patent:11075124 17.01.2011 J. A. Scheibli : Slide Disk Calculator [21.67%]
Patent:1107562 17.01.2011 Hemmi, Jiro (P) : Improvements in the Slide Rules [36.97%]
Patent:11077220 17.01.2011 H. R. Cowan : Calculating and Printing Machine [4.62%]
Patent:11080811 17.01.2011 W. C. Colwell : Slide rule [34.97%]
Patent:11081310 17.01.2011 Jahnz, Erwin (P) Madas (P) : Calculating Machine [16.51%]
Patent:11085755 17.01.2011 T. F. Pearson : Cash Register [9.52%]
Patent:11086823 17.01.2011 E. H. Hebern & F. Hoffman : Cryptographic Attachement for Type Writing Machines [7.80%]
Patent:11087135 17.01.2011 G. M. Nell : Adding Machine [2.57%]
Patent:11088175 17.01.2011 W. O. Philips : Slide Rule [46.48%]
Patent:11094638 17.01.2011 A. Boyer & P. L. M. Godeau : Calculator for Balances [9.37%]
Patent:11096883 17.01.2011 H. C. Alger : Fluid Flow Meter [5.42%]
Patent:11099009 17.01.2011 R. C. Bennet : Calculator or Abacus [5.18%]
Patent:11103875 17.01.2011 A. Hantsch : Calculating Machine [13.29%]
Patent:11108480 17.01.2011 H. W. Tomlinson : Slide Rule [24.13%]
Patent:11119061 17.01.2011 J. Bricken : Calculating Machine [2.87%]
Patent:11120317 17.01.2011 O. Malcher Carlin Calculator Co. : Calculating Machine [3.12%]
Patent:11123738 17.01.2011 E. H. Hebern & F. Hoffman : Cryptographic Attachement for Type Writing Machines [7.69%]
Patent:11127677 17.01.2011 Rauchwetter, Franz (P) : Calculating Machine [3.05%]
Patent:11128718 17.01.2011 P. E. Parsons : Miter Box and Calculator [2.62%]
Patent:11129872 17.01.2011 K. Keeler : Planimeter [6.44%]
Patent:11136797 17.01.2011 A. D. Harmon : Calculating Machine [15.47%]
Patent:11138793 17.01.2011 Rinsche, Frank Charles (P) : Adding Machine [4.54%]
Patent:11142182 17.01.2011 P. F. W. C. Krippendorf : Computing Device [7.57%]
Patent:11142651 17.01.2011 T. Winiecki : Educational Appliance [12.22%]
Patent:11145042 17.01.2011 J. M. Spitzglass : Calculating Device [23.66%]
Patent:11148122 17.01.2011 W. D. Rees : Drawing Instrument [11.44%]
Patent:11151956 17.01.2011 J. E. Lea : Apparatus for Measuring Granular or Powdered Materials [4.74%]
Patent:11153471 17.01.2011 G. F. Wakefield : Car Time Finder [8.26%]
Patent:11153565 17.01.2011 H. Oberg : Computing Device [28.03%]
Patent:11154619 17.01.2011 C. F. Dieckmann : Slide Rule [38.51%]
Patent:11157526 17.01.2011 Clair. A. Gilson Gilson Slide Rule Co (P) : Slide Rule [25.24%]
Patent:11160071 17.01.2011 Gubelmann, William S. (P) : Calculating Machine [2.76%]
Patent:11160337 17.01.2011 J. Spurgeon : Calculating Machine [2.89%]
Patent:11168059 17.01.2011 G. R. F. H. Cuntz : Slide Rule Calculator [40.00%]
Patent:11168546 17.01.2011 C. F. Odin : Curve Scriber [5.43%]
Patent:11169724 17.01.2011 C. L. Kennicott : Calculating Machine [2.67%]
Patent:1117169 17.01.2011 E. M. Hamilton : Adding Machine [12.84%]
Patent:11174315 17.01.2011 A. D. Harmon : Calculating Machine [13.36%]
Patent:11174831 17.01.2011 W. J. Crumpton : Multiplying Mechanism [3.02%]
Patent:11178227 17.01.2011 Gancher, Abraham (P) Isaac : Adding, Printing, and Receipting Machine [5.14%]
Patent:11181256 17.01.2011 E. Rosenstein : Calculating Device [4.12%]
Patent:11182435 17.01.2011 E. J. Von Pein : Multiple Cash Register [6.01%]
Patent:11193968 17.01.2011 O. Antonelli : Adding Machine [8.60%]
Patent:11198820 17.01.2011 L. S. Burridge : Adding and Recording Machine [6.57%]
Patent:11198821 17.01.2011 L. S. Burridge : Adding and Recording Machine [2.64%]
Patent:11200569 17.01.2011 P. E. Young : Calculating Device [16.33%]
Patent:11204729 17.01.2011 R. F. Arnott : Recording and Integrating Instrument [2.88%]
Patent:11204929 17.01.2011 H. M. Ball, Sr. : Printing Machine for Code Communication [4.98%]
Patent:11208459 17.01.2011 J. F. Denson : Traverse Machine [10.44%]
Patent:11214040 17.01.2011 J. T. Jones : Calculating Instrument [13.02%]
Patent:11218346 17.01.2011 W. W. Wilson : Printing Recorder for Calculators [2.68%]
Patent:11219261 17.01.2011 Daemen-Schmid, Heinrich (P) : Calculating Machine [9.90%]
Patent:11225527 17.01.2011 R. E. Thompson : Indicating Mechanism [2.73%]
Patent:11230994 17.01.2011 J. A. Caldwell : Means for Describing Circular and Elliptic Arcs [3.28%]
Patent:11234758 17.01.2011 G. G. Heghinian : Calculating Machine [15.62%]
Patent:11250379 17.01.2011 F. O. Stillman & H. M. Schleicher : Slide Rule [28.00%]
Patent:11255939 17.01.2011 Small, Gilbert (P) : Pocket Calculator [8.65%]
Patent:11262702 17.01.2011 Rinsche, Frank Charles (P) : Adding Machine [9.24%]
Patent:11265756 17.01.2011 A. L. Doepken : Computing Apparatus [2.82%]
Patent:11270870 17.01.2011 Rinsche, Frank Charles (P) : Adding Machine [7.43%]
Patent:11279798 17.01.2011 W. A. Warman : Slide Rule [29.66%]
Patent:11282282 17.01.2011 A. Pentecost : Calculating Machine [2.35%]
Patent:11287040 17.01.2011 L. Junker : Rivet Gage [21.80%]
Patent:11293094 17.01.2011 R. Herbst : Adding Machine [2.86%]
Patent:11293130 17.01.2011 J. E. Lea : Meter or Registrating Apparatus [3.31%]
Patent:1129335 17.01.2011 Grant, George B. (P) : Calculating-machine [5.49%]
Patent:11299627 17.01.2011 H. Simon : Rule [22.63%]
Patent:11301235 17.01.2011 F. C. Dolcater : Printing Apparatus with Adding Mechanism [6.35%]
Patent:11302460 17.01.2011 E. H. Wheaton : Type Writing Machine [2.85%]
Patent:1130404 17.01.2011 E.D. Barbour : Improvement in calculating machines [11.56%]
Patent:11322770 17.01.2011 W. Eastwood : Measuring Instrument [25.55%]
Patent:11327320 17.01.2011 C. W. Gooch : Adding Machine [2.86%]
Patent:11329902 17.01.2011 Hemmi, Jiro (P) : Slide Rule [43.47%]
Patent:11330132 17.01.2011 H. W. Nieman : Calculator [17.67%]
Patent:1133188 17.01.2011 E.D. Barbour : Improvement in calculating machines [15.93%]
Patent:11338588 17.01.2011 F. L. Prescott : Calculating Device [17.55%]
Patent:11343549 17.01.2011 C. J. Davidson : Slide Rule [29.25%]
Patent:11364154 17.01.2011 F. O. Stillman and H. M. Schleicher : Slide Rule [24.03%]
Patent:11369958 17.01.2011 Blaustein, Joseph Controller Comp., Inc. : Calculating Machine [8.19%]
Patent:11370499 17.01.2011 Gubelmann, William S. (P) : Vertical Ruling Mechanism for Calculating and like Machines [3.70%]
Patent:11377671 17.01.2011 C. F. Dieckmann Dietzgen (P) : Process of Fastening Non-Metallic Elements to Metal [28.06%]
Patent:11378666 17.01.2011 H. L. Eastman and F. B. Rae : Calculating Device [27.93%]
Patent:11380754 17.01.2011 J. P. Van Bogaert : Integraph and Differentiator [16.21%]
Patent:11382011 17.01.2011 H. ONeill and S. H. Payne : Slide Rule [24.62%]
Patent:11383969 17.01.2011 G. E. Beggs : Aeroplane Bomb Sight [5.25%]
Patent:11385292 17.01.2011 J. E. Whitaker : Counter [21.83%]
Patent:11391621 17.01.2011 F. H. Fenwirth : Extension Rule [24.58%]
Patent:11392578 17.01.2011 P. J. Jones : Educational Apparatus [7.66%]
Patent:11395310 17.01.2011 F. H. Thompson : Last Measuring Machine [6.68%]
Patent:11397774 17.01.2011 Muller, Robert (P) : Adding Machine [8.36%]
Patent:11404019 17.01.2011 C. A. Gilson Gilson Slide Rule Co (P) : Mechanical Calculating Device [15.39%]
Patent:11405333 17.01.2011 H. Ritow : SlideRule [25.97%]
Patent:11409583 17.01.2011 F. R. Robinson : Calculating Device [3.06%]
Patent:11411493 17.01.2011 J. Hardt : Ellipsograph [4.45%]
Patent:11411541 17.01.2011 Min-Kao Tang : Slide Rule [29.99%]
Patent:11413021 17.01.2011 E. H. Gibb : Computing Device [17.38%]
Patent:11414855 17.01.2011 R. E. Bishop : Time Meter [10.05%]
Patent:11418947 17.01.2011 J. E. Lysen : Calculator [9.62%]
Patent:11423896 17.01.2011 W. L. Wyckoff : Calculating Rule [22.43%]
Patent:11424344 17.01.2011 J. Crompton and W. Gallagher : Calculating Device [14.29%]
Patent:11426825 17.01.2011 G. G. Dobson : Numerical Calculating Device [21.28%]
Patent:11426829 17.01.2011 G. R. Flynn : Calculating Device [42.32%]
Patent:11428831 17.01.2011 W. Augustin : Locking Device for Calculating Machines [4.63%]
Patent:11429264 17.01.2011 J. W. Wright : Calculating Guy Rule [10.64%]
Patent:11431409 17.01.2011 Miller, William L. Gisholt Machine Comp. : Slide Rule [38.91%]
Patent:11431654 17.01.2011 J. Hardt : Compasses for Drawing Oviform Curves [5.44%]
Patent:11433186 17.01.2011 V. Daemen : Calculating Device [21.86%]
Patent:11435422 17.01.2011 R. Schiske : Kilometer per Liter Register [12.94%]
Patent:11435493 17.01.2011 A. Pentecost : Paper Carriage Mechanism [5.51%]
Patent:11435512 17.01.2011 A. S. Boggio : Calculator [8.19%]
Patent:11437298 17.01.2011 G. R. Fickert : Belt Calculator [3.35%]
Patent:11437500 17.01.2011 G. H. Duste : Calculating Device [14.28%]
Patent:11448874 17.01.2011 H. A. Shappelle : Carriage Mechanism for Calculating Machines [6.53%]
Patent:11450395 17.01.2011 N. Y. Troidl : Educational Appliance [3.19%]
Patent:11454104 17.01.2011 F. W. Caldwell : Calculator [14.82%]
Patent:11455339 17.01.2011 J. F. Keller et al : Circular Slide Rule [21.52%]
Patent:11458141 17.01.2011 H. Meredith-Jones : Adding Machine [2.91%]
Patent:11459857 17.01.2011 O. D. Parson : Slide Rule [37.00%]
Patent:11459886 17.01.2011 K. R. Hammond : Computing Machine [3.43%]
Patent:11460148 17.01.2011 E. D. Tillyer : Transposition Scale [2.93%]
Patent:11461677 17.01.2011 C. N. Reynolds, Jr. : Slide Rule [27.89%]
Patent:11461975 17.01.2011 W. B. Eaton et al : Slide Rule [42.14%]
Patent:11473174 17.01.2011 T. E. Cherry : Adding Machine [7.17%]
Patent:11475999 17.01.2011 P. Jaray : Slide Rule with Logarithmical Graduations [28.62%]
Patent:11476197 17.01.2011 Friden, Carl Mauritz Fredrick (P) Marchant (P) : Calculating Machine [17.03%]
Patent:11482153 17.01.2011 T. W. Ross : Calculating Machine [6.18%]
Patent:11484176 17.01.2011 W. S. Haimes : Computing Device [14.40%]
Patent:1148455 17.01.2011 Kübler, Carl, Carl : Calculating Apparatus [36.21%]
Patent:11486203 17.01.2011 H. Thun : Apparatus for the Measurement of Plane Surfaces [8.75%]
Patent:11487805 17.01.2011 A. F. Puchstein : Device for making Vector Calculations [31.71%]
Patent:11488641 17.01.2011 W. Johnson : Instrument for Describing Ellipses [28.10%]
Patent:11488686 17.01.2011 Keuffel, Adolf W. (P) : Log Log Duplex Slide Rule [42.76%]
Patent:11491694 17.01.2011 Greener, Eugene R. (P) : Calculator [10.86%]
Patent:1149474 17.01.2011 H. A. Hazen : Ellipsographs [14.17%]
Patent:11495966 17.01.2011 L. A. Wernery : Typewriting Machine [4.32%]
Patent:11498121 17.01.2011 H. Rieck : Educational Appliance [9.67%]
Patent:11501920 17.01.2011 M. H. Reymond : Leather Estimating Slide Rule [39.12%]
Patent:1150351 17.01.2011 Mang, Gerard (P) & Fournier, Louis (P) : Calculator [12.56%]
Patent:11506112 17.01.2011 M. B. Cutshaw : Calculator [7.72%]
Patent:11514721 17.01.2011 A. Pentencost : Eliminating Mechanism for Calculating Machines [5.52%]
Patent:11516685 17.01.2011 Rinsche, Frank Charles (P) : Shock Absorber for Paper Carriages [7.10%]
Patent:115183 17.01.2011 C. R. Iliff : Drafting Protractors [8.34%]
Patent:11524924 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [12.87%]
Patent:11525598 17.01.2011 K. Tsuda : Device for Finding the Weight and Stature of Persons [11.64%]
Patent:11525752 17.01.2011 C. S. Larkey : Slide Rule [34.54%]
Patent:11526931 17.01.2011 Rauchwetter, Franz (P) : Totalizer Engaging Machansim for Calculating Machines [8.93%]
Patent:11528049 17.01.2011 E. J. Fletcher : Chair [5.66%]
Patent:11532011 17.01.2011 R. M. Williamson : Arithmetic Teaching Device [7.35%]
Patent:11532014 17.01.2011 F. Wömpner : Slide Rule [39.42%]
Patent:11532115 17.01.2011 B. F. Barker : Typewriting Machine [9.67%]
Patent:11534551 17.01.2011 A. E. Sorum et al : Coin Counting Device for Money Paying Machines [5.85%]
Patent:11534938 17.01.2011 L. Fournier et al : Keyboard of Calculating Machines [4.94%]
Patent:11536536 17.01.2011 J. A. Smith : Calculator [8.05%]
Patent:11538447 17.01.2011 Petter, Guy Bazeley (P) : Calculating Machine [8.00%]
Patent:11539151 17.01.2011 G. Wolf : Calculating Machine [4.93%]
Patent:11540151 17.01.2011 G. Walker : Apparatus for Averaging Velocities of Rotating Elements [2.71%]
Patent:11541871 17.01.2011 F. O. Stillman : Logarithmic Calculating Device [24.22%]
Patent:11550702 17.01.2011 R. F. Knight : Measuring Apparatus [2.85%]
Patent:11553683 17.01.2011 R. T. Furbish : Calculating Device [27.52%]
Patent:11554176 17.01.2011 K. Becker : Slide Rule [58.15%]
Patent:11555226 17.01.2011 A. T. Moe : Calculating Machine [6.43%]
Patent:11557163 17.01.2011 W. B. Hodge : Sling Psychrometer [10.90%]
Patent:11567564 17.01.2011 Bergmann, Jean (P) : Calculating Device [12.88%]
Patent:11568475 17.01.2011 R. Schwanda : Slide Rule [32.63%]
Patent:11568800 17.01.2011 C. C. Coss : Computing or Multiplying Machine [5.02%]
Patent:11570352 17.01.2011 E. C. Isom : Calculator [14.59%]
Patent:1157239 17.01.2011 F. M. Stapff : Philosophical Instruments or Estimators [20.87%]
Patent:11572520 17.01.2011 P. E. Fagerholm : Calculating Apparatus [17.71%]
Patent:11581567 17.01.2011 J. E. Eshbaugh : Slide Rule [37.55%]
Patent:11582830 17.01.2011 Landsiedel, Harry (P) Dalton (P) : Shuttle Carriage Mechanism for Adding Machines [7.45%]
Patent:1158853 17.01.2011 Horace B. Martin : Mechanical Calculators [7.76%]
Patent:1159244 17.01.2011 Baldwin, Frank Stephen (P) : Calculating-machine [4.73%]
Patent:11596129 17.01.2011 R. Uhlich : Slide Rule [32.14%]
Patent:11597483 17.01.2011 H. Ritow : Slide Rule [23.43%]
Patent:11599582 17.01.2011 A. F. Moyer : Slider rule for Determining Balance [24.40%]
Patent:11599904 17.01.2011 P. Lötzbeyer : Calculating Device in the Form of a Slide Rule [20.11%]
Patent:11602479 17.01.2011 L. C. Bulmer et al : Slide Rule [28.41%]
Patent:11608035 17.01.2011 L. D. Roberts : Slide Member for Calculating Machines [23.01%]
Patent:11626889 17.01.2011 Sundstrand, Oscar (P) Sundstrand (P) : Adding and Listing Machine [4.71%]
Patent:11630291 17.01.2011 C. B. Carson : Indicating Instrument [3.38%]
Patent:11632505 17.01.2011 H. Ritow : Slide Rule [28.84%]
Patent:11635125 17.01.2011 Hoffmeister, Hermann (P) : Calculating Machine [10.67%]
Patent:11636350 17.01.2011 J. Armstrong : Portable Psychrometer [2.53%]
Patent:11637507 17.01.2011 A. N. Zavango : Compass [7.38%]
Patent:11651882 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [11.50%]
Patent:11667812 17.01.2011 E. H. Miller : Calculator [12.52%]
Patent:11671616 17.01.2011 E. A. Sperry : Logarithmic Calculator [8.26%]
Patent:11691104 17.01.2011 J. G. Zollman : Calculating Device [22.87%]
Patent:11691761 17.01.2011 T. B. Harper : Device for Computing Interest [9.77%]
Patent:11700057 17.01.2011 W. S. Johnson : Calculating Machine [8.14%]
Patent:11707094 17.01.2011 Puttemans, Hubert Auguste (P) et al : Adding Machine [7.11%]
Patent:11718727 17.01.2011 C. H. Allan : Adjustable Liner [3.23%]
Patent:11720499 17.01.2011 W. Walker : Educational Computing Device [3.54%]
Patent:11724738 17.01.2011 A. Stössel : Ellipsograph [6.15%]
Patent:11732434 17.01.2011 C. A. Dawley : Meter [4.37%]
Patent:11736603 17.01.2011 M. R. Kennedy : Game [42.16%]
Patent:11742824 17.01.2011 A. Rozman : Calculating Machine [11.98%]
Patent:11769759 17.01.2011 J. F. Stimson et al : Perpetual Calendar [6.04%]
Patent:11773816 17.01.2011 J. E. Lea : Apparatus for Measuring Granular Materials Volumetrically [4.39%]
Patent:1177775 17.01.2011 J. J. White : Adding-Pencil [5.09%]
Patent:11780078 17.01.2011 M. P. Hite : Calculating Device [19.75%]
Patent:11787889 17.01.2011 J. H. White : Adding Machine [12.74%]
Patent:11790569 17.01.2011 J. Asper : Slide Rule [41.18%]
Patent:11792644 17.01.2011 Kuhrt, Ernst (P) : Calculating Machine [8.49%]
Patent:11798329 17.01.2011 Kuhrt, Ernst (P) : Totalizer for Calculating Machine [9.77%]
Patent:1179933 17.01.2011 Augustin, Wilhelm (P) Bing (P) Werke : Improvement in or connecting with calculating machines [19.62%]
Patent:11801902 17.01.2011 E. F. Britten, Jr. : Calculating Machine [6.66%]
Patent:11802440 17.01.2011 G. H. Morse : Calculating Machine [6.32%]
Patent:11802603 17.01.2011 O. G. Herm : Engineers Instrument [11.96%]
Patent:11802927 17.01.2011 Rinsche, Frank Charles (P) : Calculating Machine [2.89%]
Patent:11805061 17.01.2011 E. C. Walter : Register [8.88%]
Patent:11811353 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [12.66%]
Patent:11818548 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [6.96%]
Patent:1183723 17.01.2011 King, Otis (P) : Improvements in and relating to Calculating Apparatus [35.99%]
Patent:11840378 17.01.2011 C. Wittenmyer Felt und Tarrant (P) : Calculating Machine [6.50%]
Patent:1184177 17.01.2011 J. C. Rorick : Bevel-Square [16.08%]
Patent:11849058 17.01.2011 J. R. Dempster Rotarule : Circular Slide Rule [31.48%]
Patent:11849169 17.01.2011 E. F. Britten, Jr. : Calculating Machine [12.10%]
Patent:11849349 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [6.84%]
Patent:11856445 17.01.2011 Tauschek, Gustav (P) : Tabulating Machine for Bookkeeping Purposes [4.44%]
Patent:11857356 17.01.2011 Chase, George Clinton (P) et al : Calculating and Listing Machine [10.68%]
Patent:11858290 17.01.2011 E. C. Walter : Calculating Machine [7.22%]
Patent:11858321 17.01.2011 Chase, George Clinton (P) et al : Calculating Machine [8.67%]
Patent:11860490 17.01.2011 E. F. Britten, Jr. : Attachement for Calculating Machines [6.58%]
Patent:11863927 17.01.2011 K. Y. Konno : Calculating Device [6.87%]
Patent:11866133 17.01.2011 F. L. Simon : Educational Device [3.57%]
Patent:11868816 17.01.2011 J. R. Dempster : Disk Slide Rule [29.51%]
Patent:11870655 17.01.2011 M. O. Schur : Computation Rule [21.22%]
Patent:1187114 17.01.2011 C. C. Fields : Adding Pencil [12.47%]
Patent:11872439 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [9.54%]
Patent:11872973 17.01.2011 J. J. Kittel : Ellipsograph [5.59%]
Patent:11875927 17.01.2011 Keuffel, Adolf W. (P) : Slide Rule [46.66%]
Patent:11881165 17.01.2011 F. V. Becker : Calculating Instrument [20.75%]
Patent:11883760 17.01.2011 J. Bricken, now by judical change of name J. G. Beaver Monroe (P) Calculating Machine Company : Calculating Machine [2.98%]
Patent:11886883 17.01.2011 W. S. Johnson : Calculating Machine [13.67%]
Patent:11892012 17.01.2011 Seehase, Hans (P) : Flexible Slide Rule [26.19%]
Patent:11894294 17.01.2011 A. Langsner : Slide Rule [31.54%]
Patent:11900042 17.01.2011 L. R. Brown : Calculating Machine [11.97%]
Patent:11900757 17.01.2011 E. H. Corlett : Measuring and Computing Instrument [9.98%]
Patent:11906063 17.01.2011 S. Hilder : Keyboard for Registers [10.29%]
Patent:11908881 17.01.2011 T. S. Bindschedler : Electric Switch [2.87%]
Patent:11915037 17.01.2011 H. Suter : Calculating Machine [9.15%]
Patent:11916610 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [4.85%]
Patent:11916611 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [7.53%]
Patent:11918188 17.01.2011 G. P. Luckey : Altimeter Temperature Correction Computer [2.82%]
Patent:11919383 17.01.2011 J. Siksta, B.J. Wallace : Footware Area Calculator [29.15%]
Patent:11920024 17.01.2011 H. J. Stehl : Integrating Mechanism [2.79%]
Patent:11922971 17.01.2011 G. Mez : Multiplication Device [2.91%]
Patent:11930852 17.01.2011 Keuffel, Adolf W. (P) : Slide Rule [43.27%]
Patent:11934232 17.01.2011 Keuffel, Adolf W. (P) : Slide Rule [52.67%]
Patent:11936046 17.01.2011 Chase, George Clinton (P) : Calculating Machine [3.11%]
Patent:11936904 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [9.59%]
Patent:11936998 17.01.2011 J. F. Summers : Calculating Device [11.01%]
Patent:11938074 17.01.2011 R. Lanquetin : Apparatus for Indicating the Ratio between the Linear Function of two Temperatures [20.12%]
Patent:11940177 17.01.2011 N. J. Meagher : Computing Instrument [26.29%]
Patent:11941309 17.01.2011 O. Koch : Calculating Machine [3.27%]
Patent:11942349 17.01.2011 F. Wompner : Slide Rule [44.61%]
Patent:11947699 17.01.2011 B. G. Dwyre : Slide Rule [30.62%]
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Patent:11956349 17.01.2011 Haase, Richard (P) : Calculating Machine [9.84%]
Patent:11957950 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [8.93%]
Patent:11959990 17.01.2011 J. F. Summers : Calculating Device [10.46%]
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Patent:11963880 17.01.2011 P. Barthelemy : Friction Operated Mechanism [6.66%]
Patent:11964211 17.01.2011 Overbury, Austin A. (P) Monroe (P) : Calculating Machine [2.75%]
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Patent:11967230 17.01.2011 F. X. A. Eble et al : Financial Status Visualizer [11.07%]
Patent:11978038 17.01.2011 J. A. Boll : Slide Rule [27.92%]
Patent:11980579 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [11.29%]
Patent:11983945 17.01.2011 Petter, Guy Bazeley (P) Petters Ltd. : Calculating or Adding Machine [2.74%]
Patent:11986193 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [2.89%]
Patent:11986888 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [11.18%]
Patent:11987015 17.01.2011 L. N. Lehman : Overdraft Control of Ribbon Mechanism [6.35%]
Patent:11987536 17.01.2011 C. Norris : Slide Rule [33.58%]
Patent:11988357 17.01.2011 Hounsfield, Leslie (P) : Planimeter [2.84%]
Patent:11990633 17.01.2011 J. Brandl : Device for Measuring the Volume of Flowing Gas [8.00%]
Patent:11994843 17.01.2011 J. A. Weishampel : Planimeter [4.84%]
Patent:12000337 17.01.2011 Keuffel, Adolf W. (P) : Slide Rule Case [33.32%]
Patent:12003783 17.01.2011 Fuller, Frederick (P) IBM (P) : Accounting Machine [2.68%]
Patent:12005020 17.01.2011 F. Bossert : Bookkeeping Machine [5.47%]
Patent:12012330 17.01.2011 H. Widmaier : Listing Calculating Machine [2.97%]
Patent:12027565 17.01.2011 B. C. Stickney : Tabulating Device [4.84%]
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Patent:12037667 17.01.2011 V. H. Rausch : Computing Mechnism [6.34%]
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Patent:12046820 17.01.2011 S. Hilder : Calculating Machine [7.31%]
Patent:12059289 17.01.2011 A. Svensson : Combination Drafting and Computing Rule [36.90%]
Patent:12060528 17.01.2011 W. C. Powell : Device for Facilitating the Reading of a Slide Rule [34.38%]
Patent:12061853 17.01.2011 G. D. Shaeffer : Slide Rule [24.82%]
Patent:12063287 17.01.2011 H. A. Aikins : Calculating Device [2.69%]
Patent:12063740 17.01.2011 R. R. Henderson : Calculating Machine [7.09%]
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Patent:1207487 17.01.2011 J. I. Bogue : Calculator [8.31%]
Patent:1207918 17.01.2011 Verea, Ramón : Calculating-machine [12.71%]
Patent:12079464 17.01.2011 H. Okura : Hyperbolic Scale Rule [50.26%]
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Patent:12083233 17.01.2011 R. Landenberger : Securing Device [9.19%]
Patent:12086502 17.01.2011 Keuffel, Adolf W. (P) : Runner for Slide Rules [39.81%]
Patent:12087446 17.01.2011 F. E. Proal : Slide Rule for Use in Gear Calculatings [26.20%]
Patent:12088395 17.01.2011 J. H. Bayard : Calculating Device [27.18%]
Patent:12091039 17.01.2011 R. D. Groch : Slide Rule [23.62%]
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Patent:12138414 17.01.2011 J. Weckert : Ellipse or Circle Compass [6.01%]
Patent:12138879 17.01.2011 R. B. Poole : Slide Rule [24.50%]
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Patent:12143559 17.01.2011 Keuffel, Adolf W. (P) : Slide Rule [28.15%]
Patent:12148760 17.01.2011 G. Lerch Marchant (P) : Calculating Machine [5.00%]
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Patent:12188723 17.01.2011 L. R. Posey : Educational Device [16.02%]
Patent:12190281 17.01.2011 C. P. Berg : Slide Rule [22.61%]
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Patent:12193929 17.01.2011 K. S. Lion : Automatic Calculation Apparatus [15.40%]
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Patent:12240797 17.01.2011 W. J. Pasinski : Calculating Machine [8.30%]
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Patent:12285722 17.01.2011 L. M. Kells et al : Slide Rule [40.83%]
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Patent:12289717 17.01.2011 R. Montgomery : Slide Rule for the Sightless [38.28%]
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Patent:12294111 17.01.2011 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [12.48%]
Patent:12294199 17.01.2011 G. H. Morse : Calculating Instrument [17.88%]
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