Pocket Watch Database
Patent Archive
#452392
Patent Information
Clock Self Wind
Frederick M. Schmidt
May 19, 1891
Patent #452392
| Patent Number: | 452392 |
| Description: | Clock Self Wind |
| Inventor(s): | Frederick M. Schmidt |
| Patent Date: | May 19, 1891 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
