Pocket Watch Database
Patent Archive
#2200092
Patent Information
Timer Electric Circuit
Martin J. Madison
May 7, 1940
Patent #2200092
| Patent Number: | 2200092 |
| Description: | Timer Electric Circuit |
| Inventor(s): | Martin J. Madison |
| Patent Date: | May 7, 1940 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
