Pocket Watch Database
Patent Archive
#269670
Patent Information
Watch Regulator
Charles M. Hoffman
December 26, 1882
Patent #269670
| Patent Number: | 269670 |
| Category: | Regulators |
| Description: | Watch Regulator |
| Inventor(s): | Charles M. Hoffman |
| Patent Date: | Dec 26, 1882 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
