Patent:GB353877
Patent: | GB 353877 |
Title: | Improvements in or relating to calculating machines, adding and listing machines, accounting machines and similar machines |
Date: | 28.07.1931 |
Place: | |
Country: | Great Britain |
Person: | |
Company: | Ellis (P) Adding Typewriter Compan |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
- DATUM: 28.07.1931
- TITEL: Improvements in or relating to calculating machines, adding and listing machines, accounting machines and similar machines
- PERSON: ELLIS ADDING TYPEWRITER COMPAN
- Patent Family: ( Patent:DE715804, Patent:FR693593, Patent:GB353877 )