Pocket Watch Database
Patent Archive
#349921
Patent Information
Watch Main Spring Wind
P. Ziegel
September 14, 1886
Patent #349921
| Patent Number: | 349921 |
| Description: | Watch Main Spring Wind |
| Inventor(s): | P. Ziegel |
| Patent Date: | Sep 14, 1886 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
