Patent Archive
#394919
Patent Information
Watch Regulator
Grandjean Eugene Francois L
December 18, 1888
Patent #394919
| Manufacturer: | |
| Patent Number: | 394919 |
| Category: | Regulators |
| Description: | Watch Regulator |
| Inventor(s): | Grandjean Eugene Francois L |
| Patent Date: | Dec 18, 1888 |
| Registration Type: | Patent |
| External Research: | https://www.google.com/patents... |
| Patent Document: |
