Patent:US1864714
Patent: | US 1864714 |
Titel: | Combined typewriting bookkeeping and card-perforating machine |
Datum: | 28.06.1932 |
Ort: | |
Land: | USA |
Person: | Davis, Frank (P) |
Firma: | Elliott Fisher (P) |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | US1864714 (espacenet), US1864714 (uspto) |
- DATUM: 28.06.1932
- TITEL: Combined typewriting, bookkeeping and card-perforating machine
- PERSON: ELLIOTT FISHER CO
- Patent Family: ( Patent:US1864714, Patent:US2064340 )