Pocket Watch Database
Patent Archive
#653996
Patent Information
Watch Balance Tester
Lucien Grisel
July 13, 1900
Patent #653996
| Patent Number: | 653996 |
| Description: | Watch Balance Tester |
| Inventor(s): | Lucien Grisel |
| Patent Date: | Jul 13, 1900 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
