Patent
-
Patent:US665118
01.01.1901 Landing, Lars M. : Interest computing machine
-
Patent:US666220
15.01.1901 Hall, Ira C. (P) : Adding machine
-
Patent:US666499
22.01.1901 Jonathan H. Davis : Adding-machine
-
Patent:US666643
29.01.1901 Bullock, Frank M. (P) und Schatz, Frederick C. (P) : Attachment for adding machines
-
Patent:US666684
29.01.1901 J.H. Neal : Computing Attachment for Type Writing Machine
-
Patent:US666790
29.01.1901 D. K. Allison : Cash Register
-
Patent:US666919
29.01.1901 Clark, William H. (P) NCR (P) : Calculating machine
-
Patent:US668896
26.02.1901 Edward Wager-Smith : Exposure indicator
-
Patent:US669167
05.03.1901 A. Hoch : Adding and Printing Machine
-
Patent:US669168
05.03.1901 A. Hoch : Adding Machine
-
Patent:US669286
05.03.1901 F. H. Sandherr : Adding Apparatus
-
Patent:US669969
12.03.1901 H. Goldman : Calculating Machine
-
Patent:US669970
12.03.1901 H. Goldman : Calculating Machine
-
Patent:US670075
19.03.1901 Heinitz, Woldemar (P) : Returning device for calculating-machines
-
Patent:US671109
02.04.1901 Felt, Dorr E. (P) : Calculating Machine
-
Patent:US671152
02.04.1901 W. G. Swan : Adding Machine
-
Patent:US672581
23.04.1901 Willis, Edward (P) : Planimeter
-
Patent:US674267
14.05.1901 P. Hubert : Adding Machine
-
Patent:US674953
28.05.1901 Erl V. Beals : Area-meter
-
Patent:US675341
28.05.1901 Rice, Jesse T. (P) : Time and wage indicator
-
Patent:US676433
18.06.1901 Hollerith, Herman (P) : Perforating-Machine
-
Patent:US677214
25.06.1901 Hollerith, Herman (P) : Tabulating Apparatus
-
Patent:US677817
02.07.1901 Edwin Thacher Edson M. Scofield : Slide rule
-
Patent:US677896
09.07.1901 Elmer S. Smith Harvey Giles Ideal Cash Register Comp. : Cash Register
-
Patent:US679348
30.07.1901 Turck, Joseph Abraham Valentine (P) Mechanical Accountant (P) Co : Calculating machine
-
Patent:US680340
13.08.1901 Mallmann, James (P) : Computing machine
-
Patent:US680341
13.08.1901 Mallmann, James (P) : Calculating machine
-
Patent:US681240
27.08.1901 Alfred J. Meyer Alvin W. Krahn : Adding Machine
-
Patent:US681292
27.08.1901 Ball, Arthur R. (P) : Adding machine
-
Patent:US681781
03.09.1901 H. Goldman : Registering Device
-
Patent:US682197
10.09.1901 Hollerith, Herman (P) : Apparatus for perforating record cards
-
Patent:US682755
17.09.1901 Perfler, Joseph (P) und Schneider, August (P) : Computing machine
-
Patent:US682910
09.09.1901 Harold W. Byron : Computing apparatus
-
Patent:US683379
24.09.1901 Harold W. Byron : Computing apparatus
-
Patent:US683877
01.10.1901 Carney, Thomas (P) NCR (P) : Cash register
-
Patent:US684682
15.10.1901 Ersland, Amos K. (P) : Adding machine
-
Patent:US685608
29.10.1901 Hollerith, Herman (P) : Tabulating apparatus
-
Patent:US686627
12.11.1901 Holmes Marshall Addograph (P) Comp. : Combined type writing and computing machine
-
Patent:US687007
19.11.1901 William A. Foss American Toll Telephone Comp. : Register
-
Patent:US688827
17.12.1901 Cleal, Joseph P. (P) NCR (P) : Cash-Register Key
-
Patent:US688977
17.12.1901 John F. Skirrow Charles Shirley : Counter
-
Patent:US689255
17.12.1901 J. J. Walsh : Adding Machine
-
Patent:US689447
24.12.1901 Frank A. Worden : Adding-machine
-
Patent:US689680
24.12.1901 Locke, Clarence (P) : Calculating Machine
-
Patent:US689738
24.12.1901 Moriarty, Edward (P) : Counting or adding apparatus
-
Patent:US689978
31.12.1901 Lippincott, Alpheus C. (P) : Planimeter
-
Patent:US689983
31.12.1901 James Henry Neal Henry L. Wilson : Computing attachments for typewriters
-
Patent:US725244
19.11.1901 William Gray Gray Telephone Pay Station Comp. : Telephone-call register