Pocket Watch Database
Patent Archive
#338960
Patent Information
Watch Main Spring Barrel
George E. Hart
March 30, 1886
Patent #338960
Manufacturer: | Waterbury Watch Co. |
Patent Number: | 338960 |
Description: | Watch Main Spring Barrel |
Inventor(s): | George E. Hart |
Assignee: | Waterbury Watch Co |
Patent Date: | Mar 30, 1886 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |