Pocket Watch Database
Patent Archive
#1800381
Patent Information
Self Regulate Control System
Edward F. Geiger
April 14, 1931
Patent #1800381
| Patent Number: | 1800381 |
| Description: | Self Regulate Control System |
| Inventor(s): | Edward F. Geiger |
| Assignee: | International Time Record Co |
| Patent Date: | Apr 14, 1931 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
