Pocket Watch Database
Patent Archive
#986695
Patent Information
Tool Main Spring Wind
Frank R. Cunningham
March 14, 1911
Patent #986695
| Patent Number: | 986695 |
| Description: | Tool Main Spring Wind |
| Inventor(s): | Frank R. Cunningham |
| Assignee: | Kendrick & Davis Co |
| Patent Date: | Mar 14, 1911 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
