Pocket Watch Database
Patent Archive
#1333194
Patent Information
Watch Crystal
Louis E. F. Wachter
March 9, 1920
Patent #1333194
| Patent Number: | 1333194 |
| Description: | Watch Crystal |
| Inventor(s): | Louis E. F. Wachter |
| Patent Date: | Mar 9, 1920 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
