Patente aus den USA 1901
- Patent:US665118 01.01.1901 Landing, Lars M. : Interest computing machine
- Patent:US666220 15.01.1901 Hall, Ira C. : Adding machine
- Patent:US666499 22.01.1901 Jonathan H. Davis : Adding-machine
- Patent:US666643 29.01.1901 Bullock, Frank M. und Schatz, Frederick C. : 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. NCR : 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 : Returning device for calculating-machines
- Patent:US671109 02.04.1901 Felt, Dorr E. : Calculating Machine
- Patent:US671152 02.04.1901 W. G. Swan : Adding Machine
- Patent:US672581 23.04.1901 Willis, Edward : 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. : Time and wage indicator
- Patent:US676433 18.06.1901 Hollerith, Herman : Perforating-Machine
- Patent:US677214 25.06.1901 Hollerith, Herman : 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 Mechanical Accountant Co : Calculating machine
- Patent:US680340 13.08.1901 Mallmann, James : Computing machine
- Patent:US680341 13.08.1901 Mallmann, James : Calculating machine
- Patent:US681240 27.08.1901 Alfred J. Meyer Alvin W. Krahn : Adding Machine
- Patent:US681292 27.08.1901 Ball, Arthur R. : Adding machine
- Patent:US681781 03.09.1901 H. Goldman : Registering Device
- Patent:US682910 09.09.1901 Harold W. Byron : Computing apparatus
- Patent:US682197 10.09.1901 Hollerith, Herman : Apparatus for perforating record cards
- Patent:US682755 17.09.1901 Perfler, Joseph und Schneider, August : Computing machine
- Patent:US683379 24.09.1901 Harold W. Byron : Computing apparatus
- Patent:US683877 01.10.1901 Carney, Thomas NCR : Cash register
- Patent:US684682 15.10.1901 Ersland, Amos K. : Adding machine
- Patent:US685608 29.10.1901 Hollerith, Herman : Tabulating apparatus
- Patent:US686627 12.11.1901 Holmes Marshall Addograph Comp. : Combined type writing and computing machine
- Patent:US687007 19.11.1901 William A. Foss American Toll Telephone Comp. : Register
- Patent:US725244 19.11.1901 William Gray Gray Telephone Pay Station Comp. : Telephone-call register
- Patent:US688827 17.12.1901 Cleal, Joseph P. NCR : 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 : Calculating Machine
- Patent:US689738 24.12.1901 Moriarty, Edward : Counting or adding apparatus
- Patent:US689978 31.12.1901 Lippincott, Alpheus C. : Planimeter
- Patent:US689983 31.12.1901 James Henry Neal Henry L. Wilson : Computing attachments for typewriters
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