Pocket Watch Database
Patent Archive
#447105
Patent Information
Clock Independent Electric
Walter J. Dudley
February 24, 1891
Patent #447105
| Patent Number: | 447105 |
| Description: | Clock Independent Electric |
| Inventor(s): | Walter J. Dudley |
| Patent Date: | Feb 24, 1891 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
