Patent:US1905579
Patent: | US 1905579 |
Title: | Calculating Machine |
Date: | 25.04.1933 |
Place: | |
Country: | USA |
Person: | Turck, Joseph Abraham Valentine (P) |
Company: | |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() ![]() |
- DATUM: 25.04.1933
- TITEL: Calculating machine
- PERSON: FELT TARRANT MFG COMPANY