Pocket Watch Database
Patent Archive
#787187
Patent Information
Electric Time Switch
Robert D. Jones
April 11, 1905
Patent #787187
| Patent Number: | 787187 |
| Description: | Electric Time Switch |
| Inventor(s): | Robert D. Jones |
| Patent Date: | Apr 11, 1905 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
