Pocket Watch Database
Patent Archive
#39395
Patent Information
Clock Escape & Pendulum
William Hart
August 4, 1863
Patent #39395
Patent Number: | 39395 |
Description: | Clock Escape & Pendulum |
Inventor(s): | William Hart |
Patent Date: | Aug 4, 1863 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |