Pocket Watch Database
Patent Archive
#157153
Patent Information
Watch Plate
Earl Chapin
November 24, 1874
Patent #157153
Patent Number: | 157153 |
Description: | Watch Plate |
Inventor(s): | Earl Chapin |
Patent Date: | Nov 24, 1874 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |