Pocket Watch Database
Patent Archive
#231800
Patent Information
Clock Pendulum
John W. Hile
August 31, 1880
Patent #231800
| Patent Number: | 231800 |
| Description: | Clock Pendulum |
| Inventor(s): | John W. Hile |
| Patent Date: | Aug 31, 1880 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
