Pocket Watch Database
Patent Archive
#25261
Patent Information
Chronometer Escape
William H. Hammond
August 20, 1859
Patent #25261
| Patent Number: | 25261 |
| Description: | Chronometer Escape |
| Inventor(s): | William H. Hammond |
| Patent Date: | Aug 20, 1859 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
