Pocket Watch Database
Patent Archive
#160368
Patent Information
Watch Case Spring
Constant W. Wadsworth
March 2, 1875
Patent #160368
Patent Number: | 160368 |
Description: | Watch Case Spring |
Inventor(s): | Constant W. Wadsworth |
Patent Date: | Mar 2, 1875 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |