Patent:DE408641
Patent: | DE 408641 |
Title: | Rechenmaschine |
Date: | 25.02.1923 |
Place: | Piedmont, Calif. USA |
Country: | Germany |
Person: | Friden, Carl Mauritz Fredrick (P) |
Company: | Marchant (P) |
Internal Links: | Marchant_H8 / H9 |
Keywords: | Volltastatur |
Link to the patent office: (without guarantee) | ![]() |
- DATUM: 20.01.1925
- TITEL: Rechenmaschine
- PERSON: CARL MAURITZ FREDRICK FRIDEN
USA 27.02.1922 und 31.07.1922