Pocket Watch Database
Patent Archive
#337067
Patent Information
Clock Electric Alarm
Charles Korfhage
March 2, 1886
Patent #337067
| Patent Number: | 337067 |
| Description: | Clock Electric Alarm |
| Inventor(s): | Charles Korfhage |
| Patent Date: | Mar 2, 1886 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
