Pocket Watch Database
Patent Archive
#1621235
Patent Information
Watch Plate Mfg
Henri Colomb
March 15, 1927
Patent #1621235
| Patent Number: | 1621235 |
| Description: | Watch Plate Mfg |
| Inventor(s): | Henri Colomb |
| Patent Date: | Mar 15, 1927 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
