Pocket Watch Database
Patent Archive
#338963
Patent Information
Watch Barrel Main Spring
George E. Hart
March 30, 1886
Patent #338963
| Manufacturer: | Waterbury Watch Co. |
| Patent Number: | 338963 |
| Description: | Watch Barrel Main Spring |
| 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: |
