Pocket Watch Database
Patent Archive
#620972
Patent Information
Watch Adjust J Bearing
August C. Rosenbrook
March 14, 1899
Patent #620972
| Patent Number: | 620972 |
| Description: | Watch Adjust J Bearing |
| Inventor(s): | August C. Rosenbrook |
| Patent Date: | Mar 14, 1899 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
