Pocket Watch Database
Patent Archive
#347139
Patent Information
Watch Digital Dial
Gedeon Thommen
August 10, 1886
Patent #347139
| Patent Number: | 347139 |
| Description: | Watch Digital Dial |
| Inventor(s): | Gedeon Thommen |
| Patent Date: | Aug 10, 1886 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
