Pocket Watch Database
Patent Archive
#446737
Patent Information
Watch Case
Edward E. Heffernan
February 17, 1891
Patent #446737
| Patent Number: | 446737 |
| Description: | Watch Case |
| Inventor(s): | Edward E. Heffernan |
| Patent Date: | Feb 17, 1891 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
