Pocket Watch Database
Patent Archive
#295485
Patent Information
Watch Main Spring
Duane H. Church
March 18, 1884
Patent #295485
Manufacturer: | Waltham |
Patent Number: | 295485 |
Description: | Watch Main Spring |
Inventor(s): | Duane H. Church |
Assignee: | American Watch Co |
Patent Date: | Mar 18, 1884 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |