Pocket Watch Database
Patent Archive
#167407
Patent Information
Watch Regulator
Ralph S. Mershon
September 7, 1875
Patent #167407
Patent Number: | 167407 |
Category: | Regulators |
Description: | Watch Regulator |
Inventor(s): | Ralph S. Mershon |
Patent Date: | Sep 7, 1875 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |