Pocket Watch Database
Patent Archive
#1333161
Patent Information
Watch Barrel
Fred R. Coats
Jean F. Hartwell
March 9, 1920
Patent #1333161
| Patent Number: | 1333161 |
| Description: | Watch Barrel |
| Inventor(s): |
Fred R. Coats Jean F. Hartwell |
| Patent Date: | Mar 9, 1920 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
