Pocket Watch Database
Patent Archive
#1021436
Patent Information
Timer Electric Circuit
James Thompson
March 26, 1912
Patent #1021436
| Patent Number: | 1021436 |
| Description: | Timer Electric Circuit |
| Inventor(s): | James Thompson |
| Patent Date: | Mar 26, 1912 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
