Pocket Watch Database
Patent Archive
#855002
Patent Information
Clock Secondary Electric
William S. Guthrie
May 28, 1907
Patent #855002
Patent Number: | 855002 |
Description: | Clock Secondary Electric |
Inventor(s): | William S. Guthrie |
Patent Date: | May 28, 1907 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |