Pocket Watch Database
Patent Archive
#635729
Patent Information
Chronometer Duplex Escape
Henry Ganney
October 24, 1899
Patent #635729
| Patent Number: | 635729 |
| Description: | Chronometer Duplex Escape |
| Inventor(s): | Henry Ganney |
| Patent Date: | Oct 24, 1899 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
