Pocket Watch Database
Patent Archive
#1121347
Patent Information
Clock Secondary Electric
Edward F. Geiger
December 15, 1914
Patent #1121347
| Patent Number: | 1121347 |
| Description: | Clock Secondary Electric |
| Inventor(s): | Edward F. Geiger |
| Patent Date: | Dec 15, 1914 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
