Pocket Watch Database
Patent Archive
#871900
Patent Information
Clock Alarm
Charles G. Trautman
November 26, 1907
Patent #871900
Patent Number: | 871900 |
Description: | Clock Alarm |
Inventor(s): | Charles G. Trautman |
Patent Date: | Nov 26, 1907 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |