Pocket Watch Database
Patent Archive
#1931291
Patent Information
Clock Electric Current Interupt Compensate Mech
Dudley S. Ingraham
Arthur B. Poole
October 17, 1933
Patent #1931291
| Patent Number: | 1931291 |
| Description: | Clock Electric Current Interupt Compensate Mech |
| Inventor(s): |
Dudley S. Ingraham Arthur B. Poole |
| Assignee: | E Ingraham Co |
| Patent Date: | Oct 17, 1933 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
