Pocket Watch Database
Patent Archive
#195687
Patent Information
Watch Wind Device
William H. Zinn
September 25, 1877
Patent #195687
| Patent Number: | 195687 |
| Description: | Watch Wind Device |
| Inventor(s): | William H. Zinn |
| Patent Date: | Sep 25, 1877 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
