Pocket Watch Database
Patent Archive
#1438427
Patent Information
Watch Stem
Henri Colomb
December 12, 1922
Patent #1438427
| Patent Number: | 1438427 |
| Category: | Stem Mechanisms |
| Description: | Watch Stem |
| Inventor(s): | Henri Colomb |
| Patent Date: | Dec 12, 1922 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
