Patent:US1986137
Patent: | US 1986137 |
Title: | Adding Machine |
Date: | 01.01.1935 |
Place: | |
Country: | USA |
Person: | Coxhead, Ralph (P), Norton, Charles (P) |
Company: | Brunsviga (P) |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() ![]() |
- DATUM: 01.01.1935
- TITEL: Adding machine
- PERSON: BRUNSVIGA MASCHINENWERKE GRIMM
- Patent Family: ( Patent:US1923078, Patent:US1948958, Patent:US1954618, Patent:US1986137 )