Patent:US1787259
Brevetto: | US 1787259 |
Titolo: | Calculating Machine |
Data: | 30.12.1930 |
Luogo: | |
Nazione: | Stati Uniti |
Persona: | Payne Walter, Bohrer Raymond, William Fuhlborn |
Ditta: | Todd Company (P) Inc |
Link interni: | Todd Visible |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() ![]() |
- DATUM: 30.12.1930
- TITEL: Calculating machine
- PERSON: TODD COMPANY INC