Pocket Watch Database
Patent Archive
#620864
Patent Information
Clock Electric
Joseph Butcher
March 7, 1899
Patent #620864
| Patent Number: | 620864 |
| Description: | Clock Electric |
| Inventor(s): | Joseph Butcher |
| Patent Date: | Mar 7, 1899 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
