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 )
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US1864714