Pocket Watch Database
Patent Archive
#230305
Patent Information
Pendulum Compensate
Charles T. Mason
July 20, 1880
Patent #230305
| Patent Number: | 230305 |
| Description: | Pendulum Compensate |
| Inventor(s): | Charles T. Mason |
| Patent Date: | Jul 20, 1880 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
