Pocket Watch Database
Patent Archive
#341110
Patent Information
Electric Time System 4 Telephone Lines
James S. Ross
May 4, 1886
Patent #341110
| Patent Number: | 341110 |
| Description: | Electric Time System 4 Telephone Lines |
| Inventor(s): | James S. Ross |
| Patent Date: | May 4, 1886 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
