Pocket Watch Database
Patent Archive
#RE11372
Patent Information
Watch Balance Bimetallic
Duane H. Church
October 10, 1893
Patent #RE11372
| Manufacturer: | Waltham |
| Patent Number: | RE11372 |
| Description: | Watch Balance Bimetallic |
| Inventor(s): | Duane H. Church |
| Patent Date: | Oct 10, 1893 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
