Patent:US1458457
Patent: | US 1458457 |
Titel: | Copy carrier for writing machines, adding machines, and the like |
Datum: | 12.06.1923 |
Ort: | |
Land: | USA |
Person: | Frederic Amez-Droz Louis |
Firma: | |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | US1458457 (espacenet), US1458457 (uspto) |
- DATUM: 12.06.1923
- TITEL: Copy carrier for writing machines, adding machines, and the like
- Patent Family: ( Patent:FR534725, Patent:US1458457 )