Patent:US2091646
Brevetto: | US 2091646 |
Titolo: | Calculating Machine |
Data: | 31.08.1937 |
Luogo: | |
Nazione: | Stati Uniti |
Persona: | Muller, Robert (P) |
Ditta: | Burroughs (P) |
Link interni: | |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() ![]() |
- DATUM: 31.08.1937
- TITEL: Calculating machine
- PERSON: BURROUGHS ADDING MACHINE CO
- Patent Family: ( Patent:DE676760, Patent:GB456350, Patent:US2091646 )