Pocket Watch Database
Patent Archive
#713500
Patent Information
Timer Electric Circuit
Madison Rush
November 11, 1902
Patent #713500
| Patent Number: | 713500 |
| Description: | Timer Electric Circuit |
| Inventor(s): | Madison Rush |
| Patent Date: | Nov 11, 1902 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
