Pocket Watch Database
Patent Archive
#502811
Patent Information
Clock Electric Alarm
William Henry Deane
August 8, 1893
Patent #502811
Patent Number: | 502811 |
Description: | Clock Electric Alarm |
Inventor(s): | William Henry Deane |
Patent Date: | Aug 8, 1893 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |