Pocket Watch Database
Patent Archive
#340386
Patent Information
Watch Device Let Down Main Spring
Ryland L. Taft
April 20, 1886
Patent #340386
| Manufacturer: | Illinois Watch Co. |
| Patent Number: | 340386 |
| Description: | Watch Device Let Down Main Spring |
| Inventor(s): | Ryland L. Taft |
| Assignee: | Illinois Watch Co |
| Patent Date: | Apr 20, 1886 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
