Pocket Watch Database
Patent Archive
#1638917
Patent Information
Clock Compound Pendulum
Thaddeus Stephens Casner
August 16, 1927
Patent #1638917
Patent Number: | 1638917 |
Description: | Clock Compound Pendulum |
Inventor(s): | Thaddeus Stephens Casner |
Assignee: | Radio Electric Clock Corp |
Patent Date: | Aug 16, 1927 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |