Pocket Watch Database
Patent Archive
#380497
Patent Information
Machine Watch Plate Pillar
Frank Leman
April 3, 1888
Patent #380497
| Patent Number: | 380497 |
| Description: | Machine Watch Plate Pillar |
| Inventor(s): | Frank Leman |
| Patent Date: | Apr 3, 1888 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
