Patent:US3139964
Patent: | US 3139964 |
Titel: | Color changing arrangement for a combined calculator and typewriter |
Datum: | 07.07.1964 |
Ort: | |
Land: | USA |
Person: | Felix Fischer |
Firma: | Olympia Werke Ag |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | US3139964 (espacenet), US3139964 (uspto) |
- DATUM: 07.07.1964
- TITEL: Color changing arrangement for a combined calculator and typewriter
- PERSON: OLYMPIA WERKE AG
- Patent Family: ( Patent:CH397731, Patent:DE1234420, Patent:FR1303760, Patent:GB933568, Patent:NL112238C, Patent:NL270230, Patent:US3139964 )