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Patent:11138793 17.01.2011 Rinsche, Frank Charles (P) : Adding Machine [3.25%]
Patent:11145042 17.01.2011 J. M. Spitzglass : Calculating Device [3.41%]
Patent:11153471 17.01.2011 G. F. Wakefield : Car Time Finder [4.78%]
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Patent:11207439 17.01.2011 L. E. Picolet : Calculator [3.92%]
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Patent:11208754 17.01.2011 Degener, Gustave O. (P) : Combined Type Writing and Computing Machine [5.70%]
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Patent:11211581 17.01.2011 M. J. Henoch : Adding Device [6.33%]
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Patent:11220545 17.01.2011 E. E. Phinney : Calculating Instrument [3.81%]
Patent:11221027 17.01.2011 J. P. Cluley : Multiplying Machine [3.34%]
Patent:11229522 17.01.2011 C. R. Rings : Computing Device [6.56%]
Patent:1123362 17.01.2011 Deutsche Telephonwerke und Kabelindustrie : Rechenmaschine mit durch Tastendruck einschaltbarer Antriebsvorrichtung [9.87%]
Patent:11234758 17.01.2011 G. G. Heghinian : Calculating Machine [7.93%]
Patent:11250379 17.01.2011 F. O. Stillman & H. M. Schleicher : Slide Rule [6.53%]
Patent:1126123 17.01.2011 A. W. Price : Improvement in Arithmetical Sum-Setter [8.45%]
Patent:11267043 17.01.2011 P. B. Arrington : Calculating Appliance [6.69%]
Patent:11279798 17.01.2011 W. A. Warman : Slide Rule [11.45%]
Patent:11286608 17.01.2011 J. G. Hanks, Decd : Registering Mechanism for Range Finders [4.46%]
Patent:11292971 17.01.2011 O. Thieme : Type Guard [3.75%]
Patent:1129333 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Machine à calculer. [4.56%]
Patent:1129335 17.01.2011 Grant, George B. (P) : Calculating-machine [17.40%]
Patent:1130404 17.01.2011 E.D. Barbour : Improvement in calculating machines [5.88%]
Patent:113251 17.01.2011 Deledevant, Henri (P) : Rechenmaschine [4.78%]
Patent:1132958 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Machine à calculer. [11.25%]
Patent:11330132 17.01.2011 H. W. Nieman : Calculator [3.45%]
Patent:1133188 17.01.2011 E.D. Barbour : Improvement in calculating machines [10.64%]
Patent:11342459 17.01.2011 W. J. Pasinski : Adding Machine [4.62%]
Patent:11345781 17.01.2011 J. T. Hurley : Adding Machine [3.46%]
Patent:113529 17.01.2011 Paul, Wilhelm (P) : Rechenlehrmittel [2.96%]
Patent:11364154 17.01.2011 F. O. Stillman and H. M. Schleicher : Slide Rule [9.97%]
Patent:11370499 17.01.2011 Gubelmann, William S. (P) : Vertical Ruling Mechanism for Calculating and like Machines [3.42%]
Patent:11372087 17.01.2011 F. A. Roddy : Apparatus for Illustrating and Demonstrating the Principles of Pure Arithmetic [3.84%]
Patent:11372748 17.01.2011 Gubelmann, William S. (P) : Paper Supporting Mechanism for Recording Machines [3.27%]
Patent:11382011 17.01.2011 H. ONeill and S. H. Payne : Slide Rule [3.39%]
Patent:1138351 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Machine à calculer. [11.74%]
Patent:11383607 17.01.2011 A. S. Dennis : Calculating Machine [6.41%]
Patent:1139539 17.01.2011 : Rechenmaschine. [5.39%]
Patent:11398945 17.01.2011 Rechnitzer, Alexander (P) : Calculating Machine [5.98%]
Patent:11400363 17.01.2011 M. B. And V. C. Kennedy : Computing Machine [9.25%]
Patent:11401692 17.01.2011 W. E. Harris : Calculating Device [15.50%]
Patent:11405333 17.01.2011 H. Ritow : SlideRule [3.97%]
Patent:11406712 17.01.2011 A. Wolpert : Adding and Subtracting Device [9.05%]
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Patent:11417924 17.01.2011 A. Koronski : Computing Machine [7.80%]
Patent:1142202 17.01.2011 : Rechenmaschine mit selbsttaetiger Divisionsvorrichtung. [4.91%]
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Patent:11459857 17.01.2011 O. D. Parson : Slide Rule [5.90%]
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Patent:11476183 17.01.2011 E. Roucka : Device for Transmitting Positions of Indicating Organs [5.75%]
Patent:11482152 17.01.2011 T. W. Ross : Calculating Machine [9.74%]
Patent:11482153 17.01.2011 T. W. Ross : Calculating Machine [7.51%]
Patent:11487069 17.01.2011 J. L. Landenberger : Adding Machine [9.16%]
Patent:11487805 17.01.2011 A. F. Puchstein : Device for making Vector Calculations [3.59%]
Patent:11498121 17.01.2011 H. Rieck : Educational Appliance [6.94%]
Patent:11498938 17.01.2011 J. L. Tillotson : Computing Scale [7.01%]
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Patent:11504741 17.01.2011 Chase, George Clinton (P) : Counting Wheel Carry Mechanism [3.39%]
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Patent:11523680 17.01.2011 J. G. Zollman : Calculating Device [3.68%]
Patent:11525752 17.01.2011 C. S. Larkey : Slide Rule [10.40%]
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Patent:11597483 17.01.2011 H. Ritow : Slide Rule [3.57%]
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Patent:11632505 17.01.2011 H. Ritow : Slide Rule [3.80%]
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Patent:11640493 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [9.31%]
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Patent:11811607 17.01.2011 E. F. Britten, Jr. : Calculating Machine [3.25%]
Patent:11818790 17.01.2011 Chase, George Clinton (P) : Calculating Machine [9.39%]
Patent:11827837 17.01.2011 Chase, George Clinton (P) : Calculating Machine [10.50%]
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Patent:11849349 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [8.31%]
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Patent:1186314 17.01.2011 Rochat, Andre (P) : Appareil à calculer. [10.65%]
Patent:11863927 17.01.2011 K. Y. Konno : Calculating Device [8.93%]
Patent:118692 17.01.2011 Thomas Hill : Arithmometer [13.05%]
Patent:11869872 17.01.2011 Turck, Joseph Abraham Valentine (P) : Calculating Machine [6.03%]
Patent:11870699 17.01.2011 Turck, Joseph Abraham Valentine (P) : Calculating Machine [8.91%]
Patent:11872438 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [7.45%]
Patent:1188071 17.01.2011 Ramseyer, Nikolai (P) : Rechenmaschine. [5.04%]
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Patent:11893235 17.01.2011 E. C. Iverson : Navigational Instrument [3.63%]
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Patent:11900042 17.01.2011 L. R. Brown : Calculating Machine [14.54%]
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Patent:11913630 17.01.2011 Friden, Carl Mauritz Fredrick (P) Marchant (P) : Calculating Machine [6.00%]
Patent:11916610 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [7.30%]
Patent:11916611 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [3.95%]
Patent:11920024 17.01.2011 H. J. Stehl : Integrating Mechanism [3.39%]
Patent:11928125 17.01.2011 Friden, Carl Mauritz Fredrick (P) Marchant (P) : Calculating Machine [3.40%]
Patent:11936046 17.01.2011 Chase, George Clinton (P) : Calculating Machine [6.39%]
Patent:11936904 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [10.97%]
Patent:11936998 17.01.2011 J. F. Summers : Calculating Device [8.50%]
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Patent:119471 17.01.2011 Goldman, Henry (P) : Machine à calculer [2.54%]
Patent:11949740 17.01.2011 Friden, Carl Mauritz Fredrick (P) Marchant (P) : Calculating Machine [10.10%]
Patent:11950527 17.01.2011 Tauschek, Gustav (P) IBM (P) : Calculating Machine [15.23%]
Patent:1195376 17.01.2011 : Einrichtung an Rechenmaschinen mit selbsttaetiger Division zum Übertragen des Dividenden aus der Tastatur in das Resultatwerk. [6.08%]
Patent:11956349 17.01.2011 Haase, Richard (P) : Calculating Machine [3.74%]
Patent:11957950 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [8.79%]
Patent:11964211 17.01.2011 Overbury, Austin A. (P) Monroe (P) : Calculating Machine [3.34%]
Patent:11964478 17.01.2011 Overbury, Austin A. (P) : Calculating Machine [7.16%]
Patent:11964975 17.01.2011 E. F. Britten, Jr. : Calculating Machine [10.50%]
Patent:11969262 17.01.2011 Friden, Carl Mauritz Fredrick (P) Marchant (P) : Calculating Machine [9.72%]
Patent:11981226 17.01.2011 Friden, Carl Mauritz Fredrick (P) Marchant (P) : Calculating Machine [16.73%]
Patent:11982722 17.01.2011 M. L. Zimmer : Computing Machine [3.44%]
Patent:11986193 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [9.16%]
Patent:11986888 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [6.00%]
Patent:11987536 17.01.2011 C. Norris : Slide Rule [4.48%]
Patent:1199289 17.01.2011 William Hart : Calculator [10.15%]
Patent:11993834 17.01.2011 Friden, Carl Mauritz Fredrick (P) Marchant (P) Calculating Machine Company : Calculating Machine [3.50%]
Patent:1200405 17.01.2011 Monroe (P) : Rechenmaschine. [5.52%]
Patent:12014013 17.01.2011 Avery, Harold (P) et al Marchant (P) : Calculating Machine [18.49%]
Patent:1201672 17.01.2011 Ward, Francis Columba (P) : Rechenvorrichtung. [8.33%]
Patent:12021393 17.01.2011 Turck, Joseph Abraham Valentine (P) : Calculating Machine [6.18%]
Patent:12022103 17.01.2011 Avery, Harold (P) et al Marchant (P) : Calculating Machine [17.12%]
Patent:12026538 17.01.2011 H. M. Jensen : Noon Interval Calculator [4.95%]
Patent:12028540 17.01.2011 Friden, Carl Mauritz Fredrick (P) : Calculating Machine [7.32%]
Patent:12034027 17.01.2011 C. A. Decary et al : Fecundity Calculating Device [12.12%]
Patent:12034085 17.01.2011 Chase, George Clinton (P) : Calculating Machine [8.42%]
Patent:12037356 17.01.2011 F. Von Schütz : Multiplying Gear [5.99%]
Patent:12042342 17.01.2011 F. A. Kaiser : Calculating Machine [5.95%]
Patent:12046820 17.01.2011 S. Hilder : Calculating Machine [9.51%]
Patent:12062634 17.01.2011 Avery, Harold (P) : Calculating Machine [15.12%]
Patent:12063287 17.01.2011 H. A. Aikins : Calculating Device [6.87%]
Patent:12063482 17.01.2011 Bryce, James (P) : Tabulating Device [3.26%]
Patent:12072989 17.01.2011 G. Lerch et al Marchant (P) : Calculating Machine [20.68%]
Patent:1207487 17.01.2011 J. I. Bogue : Calculator [10.80%]
Patent:12075375 17.01.2011 Turck, Joseph Abraham Valentine (P) : Calculating Machine [6.76%]
Patent:12080857 17.01.2011 G. Baer : Calculator [8.47%]
Patent:12087446 17.01.2011 F. E. Proal : Slide Rule for Use in Gear Calculatings [8.79%]
Patent:12088395 17.01.2011 J. H. Bayard : Calculating Device [6.44%]
Patent:12093636 17.01.2011 B. Fornaroli : Stenographers Scale [6.44%]
Patent:12094758 17.01.2011 H. G. Smith : Method of Making Measuring Devices [3.34%]
Patent:12095521 17.01.2011 G. B. Gronvold : Gynecological Calculating Device [3.37%]
Patent:12096035 17.01.2011 O. T. Handwerk : Measuring Instrument [3.42%]
Patent:12103077 17.01.2011 W. L. Herron : Meter [5.99%]
Patent:12117620 17.01.2011 W. E. Mathi Marchant (P) : Calculating Machine [6.03%]
Patent:12120878 17.01.2011 J. G. Valenzuela : Slide Rule [9.04%]
Patent:12127612 17.01.2011 L. F. Murguia : Record Calendar [3.29%]
Patent:1213462 17.01.2011 Marchant (P) : Rechenmaschine. [4.83%]
Patent:12142892 17.01.2011 Friden, Carl Mauritz Fredrick (P) Marchant (P) : Calculating Machine [17.59%]
Patent:12149817 17.01.2011 Niemann, Frederick (P) Adolph et al : Calculating Machine [5.72%]
Patent:12157411 17.01.2011 G. W. Hopkins, Jr. Marchant (P) : Calculating Machine [6.79%]
Patent:12168056 17.01.2011 C. M. Bernegau : Slide Rule [12.26%]
Patent:12170144 17.01.2011 L. M. Kells et al : Slide Rule [12.28%]
Patent:12173436 17.01.2011 O. T. Handwerk : Measuring Instrument [3.55%]
Patent:12177176 17.01.2011 H. Gilmore : Endless Slide Rule [3.54%]
Patent:12185677 17.01.2011 O. Nelson : Calculator [4.83%]
Patent:12188723 17.01.2011 L. R. Posey : Educational Device [5.70%]
Patent:12200588 17.01.2011 Avery, Harold (P) Marchant (P) : Calculating Machine [16.65%]
Patent:12211225 17.01.2011 Avery, Harold (P) Marchant (P) : Calculating Machine [21.99%]
Patent:12211736 17.01.2011 Avery, Harold (P) Marchant (P) : Calculating Machine [8.78%]
Patent:1222126 17.01.2011 Briggs, William M. (P) : adding machine [19.43%]
Patent:12222164 17.01.2011 Avery, Harold (P) Marchant (P) : Calculating Machine [9.74%]
Patent:12223612 17.01.2011 E. Grundlehner : Adding Machine [3.81%]
Patent:12228274 17.01.2011 M. W. La Fever : Calculating Device [3.62%]
Patent:12229630 17.01.2011 Avery, Harold (P) Marchant (P) : Calculating Machine [6.78%]
Patent:12229889 17.01.2011 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [16.56%]
Patent:12229890 17.01.2011 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine [17.59%]
Patent:12229895 17.01.2011 M. Lothrop Friden (P) : Calculating Machine [6.29%]
Patent:12233073 17.01.2011 G. E. Brann : Calculating Device [5.92%]
Patent:12237873 17.01.2011 F. J. Barok : Calculating Device [3.44%]
Patent:12238529 17.01.2011 Kübler, Hans-Wolfgang : Calculating Instrument [6.14%]
Patent:1224996 17.01.2011 Deutsche Telephonwerke und Kabelindustrie : Rechenmaschine zur Ausführung von Multiplikationen und Divisionen [4.63%]
Patent:12251155 17.01.2011 G. Neuhaus : Computing Device [3.42%]
Patent:12252621 17.01.2011 Eichler, Ulrich (P) (Diehl (P)) : Calculating Machine [17.26%]
Patent:12256799 17.01.2011 Avery, Harold (P) Marchant (P) : Calculating Machine [20.03%]
Patent:12264406 17.01.2011 E. A. Ravenscroft : Reset Slide Rule [5.63%]
Patent:12265372 17.01.2011 F. W. Johnson et al : Slide Rule [3.60%]
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Patent:12270573 17.01.2011 Avery, Harold (P) Marchant (P) : Calculating Machine [11.12%]
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