Pocket Watch Database
Patent Archive
#2632993
Patent Information
Watch Spring Wind Device
Charles K. Johns
Charles Hill
March 31, 1953
Patent #2632993
| Patent Number: | 2632993 |
| Description: | Watch Spring Wind Device |
| Inventor(s): |
Charles K. Johns Charles Hill |
| Patent Date: | Mar 31, 1953 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
