Pocket Watch Database
Patent Archive
#173285
Patent Information
Pendulum Ball
Harry F. Henderson
February 8, 1876
Patent #173285
| Patent Number: | 173285 |
| Description: | Pendulum Ball |
| Inventor(s): | Harry F. Henderson |
| Assignee: | Henderson Harry F |
| Patent Date: | Feb 8, 1876 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
