Pocket Watch Database
Patent Archive
#768511
Patent Information
Clock Contact Device Electric
Ragnar Carlstedt
Bernhard Gustafson
August 23, 1904
Patent #768511
Patent Number: | 768511 |
Description: | Clock Contact Device Electric |
Inventor(s): |
Ragnar Carlstedt Bernhard Gustafson |
Patent Date: | Aug 23, 1904 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |