Pocket Watch Database
Patent Archive
#1666774
Patent Information
Watch Stem Wind Mech
Henri Colomb
April 17, 1928
Patent #1666774
| Patent Number: | 1666774 |
| Category: | Stem Mechanisms |
| Description: | Watch Stem Wind Mech |
| Inventor(s): | Henri Colomb |
| Patent Date: | Apr 17, 1928 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
