Pocket Watch Database
Patent Archive
#945441
Patent Information
Hair Spring Gauge
George W. Bowers
January 4, 1910
Patent #945441
| Patent Number: | 945441 |
| Description: | Hair Spring Gauge |
| Inventor(s): | George W. Bowers |
| Assignee: | Hammel Riglander & Co |
| Patent Date: | Jan 4, 1910 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
