Pocket Watch Database
Patent Archive
#52591
Patent Information
Watch Calendar
Edward Oppenheimer
February 13, 1866
Patent #52591
| Patent Number: | 52591 |
| Description: | Watch Calendar |
| Inventor(s): | Edward Oppenheimer |
| Patent Date: | Feb 13, 1866 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
