Pocket Watch Database
Patent Archive
#161674
Patent Information
Clock Pendulum
Frederick Eckel
April 6, 1875
Patent #161674
Patent Number: | 161674 |
Description: | Clock Pendulum |
Inventor(s): | Frederick Eckel |
Patent Date: | Apr 6, 1875 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |