Pocket Watch Database
Patent Archive
#445023
Patent Information
Clock Independent Electric
Edouard Lefebvre
January 20, 1891
Patent #445023
| Patent Number: | 445023 |
| Description: | Clock Independent Electric |
| Inventor(s): | Edouard Lefebvre |
| Patent Date: | Jan 20, 1891 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
