Pocket Watch Database
Patent Archive
#514641
Patent Information
Clock Electric Pendulum
Henri Campiche
February 13, 1894
Patent #514641
| Patent Number: | 514641 |
| Description: | Clock Electric Pendulum |
| Inventor(s): | Henri Campiche |
| Patent Date: | Feb 13, 1894 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
