Pocket Watch Database
Patent Archive
#360701
Patent Information
Watch Adjust Hair Spring
Louis R. Kaufmann
April 5, 1887
Patent #360701
| Patent Number: | 360701 |
| Description: | Watch Adjust Hair Spring |
| Inventor(s): | Louis R. Kaufmann |
| Patent Date: | Apr 5, 1887 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
