Pocket Watch Database
Patent Archive
#9727
Patent Information
Clock Calendar
John H. H. Hawes
May 17, 1853
Patent #9727
| Patent Number: | 9727 |
| Description: | Clock Calendar |
| Inventor(s): | John H. H. Hawes |
| Patent Date: | May 17, 1853 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
