Pocket Watch Database
Patent Archive
#1533678
Patent Information
Clock Electric System
Henry E. Warren
April 14, 1925
Patent #1533678
Patent Number: | 1533678 |
Description: | Clock Electric System |
Inventor(s): | Henry E. Warren |
Assignee: | Warren Clock Co |
Patent Date: | Apr 14, 1925 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |