Patent:US1505384
Patent: | US 1505384 |
Titel: | Clear-signal mechanism for writing-adding machines |
Datum: | 19.08.1924 |
Ort: | |
Land: | USA |
Person: | Foothorap, Harry Arthur (P) |
Firma: | Elliott Fisher (P) |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | US1505384 (espacenet), US1505384 (uspto) |
- DATUM: 19.08.1924
- TITEL: Clear-signal mechanism for writing-adding machines
- PERSON: ELLIOTT FISHER CO