Pocket Watch Database
Patent Archive
#448191
Patent Information
Watch Main Spring
Ernest Max Fasoldt
March 10, 1891
Patent #448191
| Patent Number: | 448191 |
| Description: | Watch Main Spring |
| Inventor(s): | Ernest Max Fasoldt |
| Patent Date: | Mar 10, 1891 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
