Pocket Watch Database
Patent Archive
#279143
Patent Information
Clock Calendar
Benjamin Franklin
June 12, 1883
Patent #279143
| Patent Number: | 279143 |
| Description: | Clock Calendar |
| Inventor(s): | Benjamin Franklin |
| Assignee: | Morse Francis E |
| Patent Date: | Jun 12, 1883 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
