Pocket Watch Database
Patent Archive
#768908
Patent Information
Electric Time System
David Perret
August 30, 1904
Patent #768908
| Patent Number: | 768908 |
| Description: | Electric Time System |
| Inventor(s): | David Perret |
| Patent Date: | Aug 30, 1904 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
