Pocket Watch Database
Patent Archive
#871407
Patent Information
Clock Electric
Frank Hope-jones
November 19, 1907
Patent #871407
| Patent Number: | 871407 |
| Description: | Clock Electric |
| Inventor(s): | Frank Hope-jones |
| Patent Date: | Nov 19, 1907 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
