Pocket Watch Database
Patent Archive
#209441
Patent Information
Watch Wind Device
William H. Zinn
October 29, 1878
Patent #209441
| Patent Number: | 209441 |
| Description: | Watch Wind Device |
| Inventor(s): | William H. Zinn |
| Patent Date: | Oct 29, 1878 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
