Patent:US2699290
Patent: | US 2699290 |
Titel: | Electromagnetic adding device for computers |
Datum: | 11.01.1955 |
Ort: | |
Land: | USA |
Person: | Walter Hoppe |
Firma: | |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | US2699290 (espacenet), US2699290 (uspto) |
- DATUM: 11.01.1955
- TITEL: Electromagnetic adding device for computers
- Patent Family: ( Patent:CH287272, Patent:DE944586, Patent:FR1044719, Patent:GB727968, Patent:US2699290 )