Pocket Watch Database
Patent Archive
#206533
Patent Information
Watch Regulator
Leonard C. Briggs
July 30, 1878
Patent #206533
| Patent Number: | 206533 |
| Category: | Regulators |
| Description: | Watch Regulator |
| Inventor(s): | Leonard C. Briggs |
| Patent Date: | Jul 30, 1878 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
