Pocket Watch Database
Patent Archive
#868870
Patent Information
Timer Electric Circuit
Henry Edwards King
October 22, 1907
Patent #868870
| Patent Number: | 868870 |
| Description: | Timer Electric Circuit |
| Inventor(s): | Henry Edwards King |
| Patent Date: | Oct 22, 1907 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
