Pocket Watch Database
Patent Archive
#967766
Patent Information
Timer Electric Circuit & Alarm
Harry D. Hanson
August 16, 1910
Patent #967766
Patent Number: | 967766 |
Description: | Timer Electric Circuit & Alarm |
Inventor(s): | Harry D. Hanson |
Patent Date: | Aug 16, 1910 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |