Pocket Watch Database
Patent Archive
#2263413
Patent Information
Watch Interchangeable Balance Staff
Jacob Hazai Beckmann
November 18, 1941
Patent #2263413
| Patent Number: | 2263413 |
| Description: | Watch Interchangeable Balance Staff |
| Inventor(s): | Jacob Hazai Beckmann |
| Patent Date: | Nov 18, 1941 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
