Pocket Watch Database
Patent Archive
#1400421
Patent Information
Dial Fasten
Henri Colomb
December 13, 1921
Patent #1400421
| Patent Number: | 1400421 |
| Description: | Dial Fasten |
| Inventor(s): | Henri Colomb |
| Patent Date: | Dec 13, 1921 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
