Patent:US1804736
Patent: | US 1804736 |
Titel: | Manual paper feeding mechanism for adding machines |
Datum: | 12.05.1931 |
Ort: | |
Land: | USA |
Person: | Barrett, Glenn (P) |
Firma: | Portable Adding Machine Compan |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | US1804736 (espacenet), US1804736 (uspto) |
- DATUM: 12.05.1931
- TITEL: Manual paper feeding mechanism for adding machines
- PERSON: PORTABLE ADDING MACHINE COMPAN