Pocket Watch Database
Patent Archive
#226401
Patent Information
Clock Electric
John Happersberger
April 13, 1880
Patent #226401
| Patent Number: | 226401 |
| Description: | Clock Electric |
| Inventor(s): | John Happersberger |
| Patent Date: | Apr 13, 1880 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
