Pocket Watch Database
Patent Archive
#201418
Patent Information
Watch Calendar
Elias H. Hull
March 19, 1878
Patent #201418
| Patent Number: | 201418 |
| Description: | Watch Calendar |
| Inventor(s): | Elias H. Hull |
| Patent Date: | Mar 19, 1878 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
