Pocket Watch Database
Patent Archive
#522930
Patent Information
Machine Watch Plate Recesser
Duane H. Church
July 10, 1894
Patent #522930
Manufacturer: | Waltham |
Patent Number: | 522930 |
Description: | Machine Watch Plate Recesser |
Inventor(s): | Duane H. Church |
Patent Date: | Jul 10, 1894 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |