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: |