Pocket Watch Database
Patent Archive
#307287
Patent Information
Electric Time Control System
William Franklin Gardner
October 28, 1884
Patent #307287
| Patent Number: | 307287 |
| Description: | Electric Time Control System |
| Inventor(s): | William Franklin Gardner |
| Patent Date: | Oct 28, 1884 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
