Pocket Watch Database
Patent Archive
#555090
Patent Information
Clock Secondary Electric
Fred L. Gregory
February 25, 1896
Patent #555090
| Patent Number: | 555090 |
| Description: | Clock Secondary Electric |
| Inventor(s): | Fred L. Gregory |
| Patent Date: | Feb 25, 1896 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
