Pocket Watch Database
Patent Archive
#455532
Patent Information
Clock Self Wind Electric
Fred Leon Gregory
July 7, 1891
Patent #455532
| Patent Number: | 455532 |
| Description: | Clock Self Wind Electric |
| Inventor(s): | Fred Leon Gregory |
| Assignee: | Rich John G |
| Patent Date: | Jul 7, 1891 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
