Pocket Watch Database
Patent Archive
#448712
Patent Information
Electric Time Alarm
John J. Gallagher
March 24, 1891
Patent #448712
| Patent Number: | 448712 |
| Description: | Electric Time Alarm |
| Inventor(s): | John J. Gallagher |
| Patent Date: | Mar 24, 1891 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
