Pocket Watch Database
Patent Archive
#75740
Patent Information
Watch Key
Richard H. Dilley
March 24, 1868
Patent #75740
| Patent Number: | 75740 |
| Description: | Watch Key |
| Inventor(s): | Richard H. Dilley |
| Patent Date: | Mar 24, 1868 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
