Pocket Watch Database
Patent Archive
#705991
Patent Information
Timer Electric Circuit
George Zaepfel
July 29, 1902
Patent #705991
| Patent Number: | 705991 |
| Description: | Timer Electric Circuit |
| Inventor(s): | George Zaepfel |
| Assignee: | Henderson George W |
| Patent Date: | Jul 29, 1902 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
