Pocket Watch Database
Patent Archive
#994575
Patent Information
Timer Electric Circuit
Chauncey R. Dana
June 6, 1911
Patent #994575
Patent Number: | 994575 |
Description: | Timer Electric Circuit |
Inventor(s): | Chauncey R. Dana |
Patent Date: | Jun 6, 1911 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |