Pocket Watch Database
Patent Archive
#84517
Patent Information
Clock Escape & Pendulum Ball
Silas B. Terry
December 1, 1868
Patent #84517
Patent Number: | 84517 |
Description: | Clock Escape & Pendulum Ball |
Inventor(s): | Silas B. Terry |
Patent Date: | Dec 1, 1868 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |