Pocket Watch Database
Patent Archive
#478155
Patent Information
Clock Electric Alarm
George C. Darche
July 5, 1892
Patent #478155
| Patent Number: | 478155 |
| Description: | Clock Electric Alarm |
| Inventor(s): | George C. Darche |
| Patent Date: | Jul 5, 1892 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
