Pocket Watch Database
Patent Archive
#22174
Patent Information
Watch Device To Prevent Injury Main Spring
David B. Fitts
November 30, 1858
Patent #22174
| Manufacturer: | Waltham |
| Patent Number: | 22174 |
| Description: | Watch Device To Prevent Injury Main Spring |
| Inventor(s): | David B. Fitts |
| Patent Date: | Nov 30, 1858 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
