Patent:US1884189
Patent: | US 1884189 |
Titel: | Combined Calculating and Card Printing and Perforating Machine |
Datum: | 25.10.1932 |
Ort: | |
Land: | USA |
Person: | N. W. Perkins |
Firma: | |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | US1884189 (espacenet), US1884189 (uspto) |
- DATUM: 25.10.1932
- TITEL: Combined calculating and card printing and perforating machine
- PERSON: ELLIS ADDING TYPEWRITER COMPAN