Pocket Watch Database
Patent Archive
#1642102
Patent Information
Watch J Set & Method Etc
Henri Colomb
September 13, 1927
Patent #1642102
| Patent Number: | 1642102 |
| Description: | Watch J Set & Method Etc |
| Inventor(s): | Henri Colomb |
| Patent Date: | Sep 13, 1927 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
