Patent:US2233990
Patent: | US 2233990 |
Title: | Compass |
Date: | 04.03.1941 |
Place: | |
Country: | USA |
Person: | W. W. Stanfield |
Company: | |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() ![]() |
- DATUM: 04.03.1941
- TITEL: Compass
DE | EN | FR | IT |
![]() ![]() |
![]() | article
image patent |