Pocket Watch Database
Patent Archive
#899571
Patent Information
Timer Electric Circuit
Harry B. Snell
September 29, 1908
Patent #899571
Patent Number: | 899571 |
Description: | Timer Electric Circuit |
Inventor(s): | Harry B. Snell |
Patent Date: | Sep 29, 1908 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |