Pocket Watch Database
Patent Archive
#425004
Patent Information
Clock Electric Alarm
Robert Schmitz
April 8, 1890
Patent #425004
Patent Number: | 425004 |
Description: | Clock Electric Alarm |
Inventor(s): | Robert Schmitz |
Patent Date: | Apr 8, 1890 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |