Pocket Watch Database
Patent Archive
#938818
Patent Information
Tool Main Spring Wind
George W. Bowers
November 2, 1909
Patent #938818
| Patent Number: | 938818 |
| Description: | Tool Main Spring Wind |
| Inventor(s): | George W. Bowers |
| Assignee: | Hammel Riglander & Co |
| Patent Date: | Nov 2, 1909 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
