Pocket Watch Database
Patent Archive
#312253
Patent Information
Watch Regulator
Duane H. Church
February 17, 1885
Patent #312253
| Manufacturer: | Waltham |
| Patent Number: | 312253 |
| Category: | Regulators |
| Description: | Watch Regulator |
| Inventor(s): | Duane H. Church |
| Patent Date: | Feb 17, 1885 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
