Patent:US1788376
Patent: | US 1788376 |
Titel: | Ribbon feeding and reversing mechanism for adding machines |
Datum: | 13.01.1931 |
Ort: | |
Land: | USA |
Person: | Barrett, Glenn (P) |
Firma: | Portable Adding Machine Compan |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | US1788376 (espacenet), US1788376 (uspto) |
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- Patent Family: ( Patent:US1734069, Patent:US1784862, Patent:US1788376, Patent:US1811840, Patent:US1812129, Patent:US1812130 )