Pocket Watch Database
Patent Archive
#227250
Patent Information
Clock Calendar For
John F. Henderson
May 4, 1880
Patent #227250
| Patent Number: | 227250 |
| Description: | Clock Calendar For |
| Inventor(s): | John F. Henderson |
| Patent Date: | May 4, 1880 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
