Pocket Watch Database
Patent Archive
#740234
Patent Information
Clock Time Control
Frank Clarke
September 29, 1903
Patent #740234
Patent Number: | 740234 |
Description: | Clock Time Control |
Inventor(s): | Frank Clarke |
Patent Date: | Sep 29, 1903 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |