Pocket Watch Database
Patent Archive
#106815
Patent Information
Watch Escape
William Hart
August 30, 1870
Patent #106815
| Patent Number: | 106815 |
| Description: | Watch Escape |
| Inventor(s): | William Hart |
| Patent Date: | Aug 30, 1870 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
