Pocket Watch Database
Patent Archive
#452424
Patent Information
Clock Hand Electric Synch
Albert M. Church
May 19, 1891
Patent #452424
| Patent Number: | 452424 |
| Description: | Clock Hand Electric Synch |
| Inventor(s): | Albert M. Church |
| Patent Date: | May 19, 1891 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
