Pocket Watch Database
Patent Archive
#53146
Patent Information
Clock Hr Ratchet
Hoban J. Holden
March 13, 1866
Patent #53146
| Patent Number: | 53146 |
| Description: | Clock Hr Ratchet |
| Inventor(s): | Hoban J. Holden |
| Patent Date: | Mar 13, 1866 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
