Patent
-
Patent:US1210488
02.01.1917 A.W. Kelly J. Hornyak : Weight slide rule
-
Patent:US1211148
02.01.1917 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing and adding machine
-
Patent:US1211581
09.01.1917 M. J. Henoch : Adding Device
-
Patent:US1212231
16.01.1917 Paul F.W.C. Krippendorf Krippendorf Kalculator Comp. : Calculating apparatus
-
Patent:US1212320
16.01.1917 William H. Brown H.H. Franklin Mfg. Comp. : Calculating machine
-
Patent:US1213100
16.01.1917 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
-
Patent:US1213268
23.01.1917 Runquist, Gustaf (P) International Money Machine (P) Comp. : Adding and listing machine
-
Patent:US1214000
30.01.1917 Edward R. Barrett Burroughs (P) Adding Machine Comp. : Adding and listing machine
-
Patent:US1214030
30.01.1917 Henry M. Harrison Burroughs (P) Adding Machine Comp. : Adding-machine
-
Patent:US1214040
30.01.1917 J. T. Jones : Calculating Instrument
-
Patent:US1214262
30.01.1917 Caesar R. Bannihr : Computing device
-
Patent:US1214568
06.02.1917 Haakon A. Martin NCR (P) : Multiple-total-printing cash-register
-
Patent:US1214608
06.02.1917 R. H. Strother : Computing Machine
-
Patent:US1214886
06.02.1917 William H. Brown H.H. Franklin Mfg. Comp. : Carrying over and clearing mechanism for calculating machines
-
Patent:US1215186
06.02.1917 Phinney, Edgar (P) Monroe (P) Calculating Machine Comp. : Carrying Mechanism for Calculating Machines
-
Patent:US1215187
06.02.1917 Phinney, Edgar E. (P) Monroe (P) Calculating Machine Comp. : Means to prevent reverse movement in calculating machines
-
Patent:US1215219
06.02.1917 Trinks, Franz (P) : Calculating machine
-
Patent:US1218136
06.03.1917 Vincent, Jesse Gurney (P) Burroughs (P) Adding Machine Comp. : Calculator
-
Patent:US1218255
06.03.1917 Edward J. Hardgrave : Calculating-machine
-
Patent:US1218346
06.03.1917 W. W. Wilson : Printing Recorder for Calculators
-
Patent:US1218376
06.03.1917 J. R. Combs : Computing Machine
-
Patent:US1218931
13.03.1917 H. G. Cuthbert : Apparatus for Teaching Arithmetic
-
Patent:US1219261
13.03.1917 Daemen-Schmid, Heinrich (P) : Calculating Machine
-
Patent:US1219345
13.03.1917 Clinton William Newell : Web gage and detector
-
Patent:US1219766
20.03.1917 Peirce, John Royden (P) : Bookkeeping machine
-
Patent:US1220009
20.03.1917 Schaller, Carl (P) Grimme, Natalis u. Co. (P) : Calculating machine
-
Patent:US1220029
20.03.1917 Trinks, Franz (P) : Calculating Instrument
-
Patent:US1220030
20.03.1917 Trinks, Franz (P) : Calculating-machine
-
Patent:US1220545
27.03.1917 E. E. Phinney : Calculating Instrument
-
Patent:US1220665
27.03.1917 J. F. Mays : Calculating Instrument
-
Patent:US1221027
03.04.1917 J. P. Cluley : Multiplying Machine
-
Patent:US1221318
03.04.1917 Hamann, Christel (P) : Calculating-Machine
-
Patent:US1221829
10.04.1917 R. L. Burd Burroughs (P) : Adding Machine
-
Patent:US1221927
10.04.1917 Vincent, Jesse Gurney (P) White, Nelson (P) Burroughs (P) Adding Machine Comp. : Calculator
-
Patent:US1222661
17.04.1917 W. J. Pasinski : Adding Machine
-
Patent:US1223419
24.04.1917 Arthur Pentecost Adder Machine Comp. : Calculating-machine
-
Patent:US1223502
24.04.1917 Jules Macé : Apparatus for solving problems of spherical geometry
-
Patent:US1224314
01.05.1917 Osmond W. Olmsted Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
-
Patent:US1224633
01.05.1917 Goldberg, Hyman Eli (P) : Calculating machine
-
Patent:US1224872
01.05.1917 Eward C. Walter Harry T. Ambrose : Calculating-machine
-
Patent:US1224873
01.05.1917 Walter, Edward C. (P) Harry T. Ambrose : Computing and recording machine
-
Patent:US1225527
08.05.1917 R. E. Thompson : Indicating Mechanism
-
Patent:US1225654
08.05.1917 Landsiedel, Harry (P) Dalton (P) Adding Machine Comp. : Adding machine
-
Patent:US1225656
08.05.1917 Landsiedel, Harry (P) Dalton (P) Adding Machine Comp. : Adding and recording machine
-
Patent:US1226064
15.05.1917 G. Cordts : Adding Machine
-
Patent:US1227655
29.05.1917 F. J. Peterson : Adding Machine
-
Patent:US1228404
05.06.1917 Carlin, Samuel E. (P) Underwood (P) Computing Machine Comp. : Attachment for calculating machines
-
Patent:US1229461
12.06.1917 Allen A. Horton Burroughs (P) Adding Machine Co. : Adding machine
-
Patent:US1229508
12.06.1917 Pasinski, Walter (P) Burroughs (P) Adding Machine Comp. : Full-stroke mechanism and overthrow-preventer for adding-machines
-
Patent:US1229522
12.06.1917 C. R. Rings : Computing Device
-
Patent:US1230861
26.06.1917 Fred M. Carroll NCR (P) : Cashiers registering machine
-
Patent:US1230864
26.06.1917 William A. Chryst NCR (P) : Cash-register
-
Patent:US1230928
26.06.1917 Rudow Rummler : Cash register
-
Patent:US1230994
26.06.1917 J. A. Caldwell : Means for Describing Circular and Elliptic Arcs
-
Patent:US1231523
26.06.1917 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
-
Patent:US1231999
03.07.1917 Herbert Burdick Addometer (P) Corp. : Transfer device for calculators
-
Patent:US1232007
03.07.1917 De Camp, Witsel R. ; Burdick, Herbert ; Dooley, James H. Addometer Corporation, New York : Totalizing means for calculators
-
Patent:US1232008
03.07.1917 Witsel R. De Camp Addometer (P) Corp. : Flexible handle pull for calculators
-
Patent:US1232066
03.07.1917 J. B. Moody : Calculating Device
-
Patent:US1232705
10.07.1917 Haakon A. Martin NCR (P) : multiple-counter cash-register
-
Patent:US1232738
10.07.1917 Wales, Charles (P) White Adding Machine Comp. : Printing mechanism
-
Patent:US1232739
10.07.1917 Wales, Charles (P) White Adding Machine Comp. : Computing machine
-
Patent:US1232755
10.07.1917 John H. Barr Remington (P) Typewriter Comp. : Type writing and computing machine
-
Patent:US1233066
10.07.1917 George E. Lamb : Adding machine
-
Patent:US1233490
17.07.1917 M. H. Mandelbaum & G. F. Maisch : Currency Selector
-
Patent:US1233491
17.07.1917 M. H. Mandelbaum & G. F. Maisch : Currency Selector
-
Patent:US1233492
17.07.1917 Haakon A. Martin NCR (P) : Cash register
-
Patent:US1233544
17.07.1917 G. O. Bissey : Educational Device
-
Patent:US1233699
17.07.1917 Peirce, John Royden (P) : Bookkeeping machine
-
Patent:US1234218
24.07.1917 Rinsche, Frank Charles (P) Burroughs (P) Adding Machine Comp. : Adding machine
-
Patent:US1234758
31.07.1917 G. G. Heghinian : Calculating Machine
-
Patent:US1234956
31.07.1917 Arthur L. Streamberg : Pay-roll-computing device
-
Patent:US1236481
14.08.1917 Powers, James (P) Powers Accounting Machine Comp. : Card accounting machine
-
Patent:US1237513
21.08.1917 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
-
Patent:US1237703
21.08.1917 Leon Walter Rosenthal Marcus C. Hopkins : Calculating machine
-
Patent:US1237821
21.08.1917 Leon W. Rosenthal : Calculating machine
-
Patent:US1237822
21.08.1917 Leon W. Rosenthal : Calculating machine
-
Patent:US1237895
21.08.1917 William L. Gumprecht Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
-
Patent:US1237899
21.08.1917 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
-
Patent:US1237900
21.08.1917 Hart, Frederick (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
-
Patent:US1238055
21.08.1917 John N. Thornton Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
-
Patent:US1238254
28.08.1917 Bryce, James (P) : Recorder
-
Patent:US1238809
04.09.1917 A. Pentecost : Calculating Machine
-
Patent:US1239598
11.09.1917 F. O. Heuser : Calculating Machine
-
Patent:US1239622
11.09.1917 Rauchwetter, Franz (P) : Keyboard Adding Machine
-
Patent:US1240256
18.09.1917 Quentell, William Prehn (P) : Number-printing mechanism
-
Patent:US1241140
25.09.1917 Charles E. Nicholson : Tabulating machine
-
Patent:US1242170
09.10.1917 Fuller, Frederick (P) NCR (P) : Cash register
-
Patent:US1242921
16.10.1917 Cheape, John A. (P) : Adding-machine
-
Patent:US1243224
16.10.1917 F. W. Rodolf : Adding and Subtracting Machine
-
Patent:US1243669
16.10.1917 Richard M. Becker Underwood (P) Computing Machine Comp. : Combined type writing and computing machine
-
Patent:US1243839
23.10.1917 Horton, Allen (P) : Adding Machine
-
Patent:US1243843
23.10.1917 J. W. Ledoux : Integrating Mechanism
-
Patent:US1243992
23.10.1917 Francesco Skerl NCR (P) : Cash register
-
Patent:US1244113
23.10.1917 F. L. Martindale : Recorder
-
Patent:US1244335
02.05.1917 James, Campbell E. : Adding-machine
-
Patent:US1244397
23.10.1917 Wright, Walter (P) Underwood (P) Computing Machine Comp. : Computing attachment for type-writers
-
Patent:US1245437
06.11.1917 P. A. Clark : Adding Machine
-
Patent:US1245502
06.11.1917 Powers, James (P) Powers Accounting Machine Co. : Tabulator printer for statistical purposes
-
Patent:US1245503
06.11.1917 James Powers Powers Accounting Machine Comp. : Printer-tabulator
-
Patent:US1245504
06.11.1917 Powers, James (P) Powers Accounting Machine Co. : Tabulator printing machine
-
Patent:US1245506
06.11.1917 Powers, James (P) Powers Accounting Machine Co. : Automatic total taking mechanism for accounting machines
-
Patent:US1245604
06.11.1917 Joseph I. Liner Costimeter Comp. : Means for calculating elapsed-time values
-
Patent:US1246087
13.11.1917 Gooch, Claiborne (P) Burroughs (P) Adding Machine Comp. : Adding and subtracting machine
-
Patent:US1246178
13.11.1917 William Sumner Universal Engineering Comp. Ltd. : Cash-register
-
Patent:US1246186
13.11.1917 George H. Thomas : Attachment for adding or calculating machines
-
Patent:US1246889
20.11.1917 Gustave O. Degener Underwood (P) Computing Machine Com. : Combined type-writing and computing machine
-
Patent:US1247670
27.11.1917 Greve, John E. (P) Wanderer (P) Werke vorm. Winklhofer und Jaenicke : Printing mechanism for computing machines
-
Patent:US1247954
27.11.1917 Greve, John E. (P) Wanderer (P) Werke vorm. Winklhofer & Jaenicke AG : Calculating-machine
-
Patent:US1248238
27.11.1917 Edmund T. Young : Arithmetical education apparatus
-
Patent:US1248281
27.11.1917 Dennis, A.S. (P) Underwood (P) Computing Machine Comp. : Computing-machine
-
Patent:US1248718
04.12.1917 Rinsche, Frank Charles (P) : Adding Machine
-
Patent:US1249554
11.12.1917 O. Thieme : Adding and Listing Machine
-
Patent:US1250379
18.12.1917 F. O. Stillman & H. M. Schleicher : Slide Rule
-
Patent:US1279584
22.08.1917 Peterson, Fredolf J. : Adding machine
-
Patent:US1303159
14.04.1917 Browning, Walter Henry (P) : Ink-ribbon feed and similar reversing mechanism
-
Patent:US1410507
27.01.1917 Ray, Walter T. (P) : Calculating Machine
-
Patent:USRE14269
13.03.1917 A. R. Dodge : Flow Meter