Patent:US2026912
Patent: | US 2026912 |
Title: | Variable speed drive for calculator mechanism |
Date: | 07.01.1936 |
Place: | |
Country: | USA |
Person: | Alexander Procofieff-Seversky |
Company: | Seversky Aero Corp |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() ![]() |
- DATUM: 07.01.1936
- TITEL: Variable speed drive for calculator mechanism
- PERSON: SEVERSKY AERO CORP