Pocket Watch Database
Patent Archive
#473675
Patent Information
Watch Wind Mech
Nathan Silberberg
April 26, 1892
Patent #473675
| Patent Number: | 473675 |
| Description: | Watch Wind Mech |
| Inventor(s): | Nathan Silberberg |
| Patent Date: | Apr 26, 1892 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
