Pocket Watch Database
Patent Archive
#700454
Patent Information
Clock Secondary Electric
Samuel P. Thrasher
May 20, 1902
Patent #700454
Patent Number: | 700454 |
Description: | Clock Secondary Electric |
Inventor(s): | Samuel P. Thrasher |
Patent Date: | May 20, 1902 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |