Pocket Watch Database
Patent Archive
#133642
Patent Information
Watch Safety Fasten
Ferdinand Imhorst
Edward C. Harris
December 3, 1872
Patent #133642
| Patent Number: | 133642 |
| Description: | Watch Safety Fasten |
| Inventor(s): |
Ferdinand Imhorst Edward C. Harris |
| Patent Date: | Dec 3, 1872 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
