Pocket Watch Database
Patent Archive
#293865
Patent Information
Pendulum Compensate
Frank Charles Greenleaf
February 19, 1884
Patent #293865
| Patent Number: | 293865 |
| Description: | Pendulum Compensate |
| Inventor(s): | Frank Charles Greenleaf |
| Patent Date: | Feb 19, 1884 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
