Pocket Watch Database
Patent Archive
#581535
Patent Information
Escape Balance
Duane H. Church
April 27, 1897
Patent #581535
| Manufacturer: | Waltham |
| Patent Number: | 581535 |
| Description: | Escape Balance |
| Inventor(s): | Duane H. Church |
| Patent Date: | Apr 27, 1897 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
