Pocket Watch Database
Patent Archive
#838918
Patent Information
Clock Alarm Electric
Louis Trede
December 18, 1906
Patent #838918
Patent Number: | 838918 |
Description: | Clock Alarm Electric |
Inventor(s): | Louis Trede |
Patent Date: | Dec 18, 1906 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |