Pocket Watch Database
Patent Archive
#493508
Patent Information
Watch Regulator
William M. Matheson
March 14, 1893
Patent #493508
Manufacturer: | US Watch Co (Waltham, Mass) |
Patent Number: | 493508 |
Category: | Regulators |
Description: | Watch Regulator |
Inventor(s): | William M. Matheson |
Patent Date: | Mar 14, 1893 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |