Pocket Watch Database
Patent Archive
#654873
Patent Information
Watch Fasten Main Spring
Duane H. Church
July 31, 1900
Patent #654873
| Manufacturer: | Waltham |
| Patent Number: | 654873 |
| Description: | Watch Fasten Main Spring |
| Inventor(s): | Duane H. Church |
| Patent Date: | Jul 31, 1900 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
