Patent:US1923078
Patent: | US 1923078 |
Title: | Adding machine ribbon mechanism |
Date: | 22.08.1933 |
Place: | |
Country: | USA |
Person: | Coxhead, Ralph (P), Norton, Charles (P) |
Company: | Brunsviga (P) |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() ![]() |
- DATUM: 22.08.1933
- TITEL: Adding machine ribbon mechanism
- Patent Family: ( Patent:US1923078, Patent:US1948958, Patent:US1954618, Patent:US1986137 )