Pocket Watch Database
Patent Archive
#986281
Patent Information
Timer Electric Circuit
Julius W. Hansen
March 7, 1911
Patent #986281
Patent Number: | 986281 |
Description: | Timer Electric Circuit |
Inventor(s): | Julius W. Hansen |
Patent Date: | Mar 7, 1911 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |