Pocket Watch Database
Patent Archive
#781048
Patent Information
Recorder Signal
Arthur E. Colgate
January 31, 1905
Patent #781048
| Patent Number: | 781048 |
| Description: | Recorder Signal |
| Inventor(s): | Arthur E. Colgate |
| Assignee: | Signal & Control Co |
| Patent Date: | Jan 31, 1905 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
