Pocket Watch Database
Patent Archive
#448734
Patent Information
Machine Watch Dial Enamel
Thomas F. Sheridan
March 24, 1891
Patent #448734
| Patent Number: | 448734 |
| Description: | Machine Watch Dial Enamel |
| Inventor(s): | Thomas F. Sheridan |
| Patent Date: | Mar 24, 1891 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
