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Patent:US2192729
| Patent: | US 2192729 |
| Title: | Calculating Machine |
| Date: | 05.03.1940 |
| Place: | |
| Country: | USA |
| Person: | Dickinson, Arthur (P) |
| Company: | IBM (P) |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US2192729 (espacenet), US2192729 (uspto) |
Aus der Patentschrift US2192729
- DATUM: 05.03.1940
- TITEL: Calculating machine
- Patent Family: ( Patent:DE721307, Patent:DE750093, Patent:FR47200E, Patent:FR47283E, Patent:FR48058E, Patent:FR796966, Patent:GB456367, Patent:GB456368, Patent:GB457136, Patent:NL50847C, Patent:NL51883C, Patent:NL53003C, Patent:US2166928, Patent:US2192003, Patent:US2192729, Patent:US2199537 )