| |
 |
Matt Ablett Patents |
|
Inventor: Ablett; Matt
Address: Smyrna, GA
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6457682 |
Automated railroad crossing warning system |
October 1, 2002 |
| An automated railroad crossing warning system includes a controller for servicing the intersection of a railroad track and a roadway with directional horns oriented in opposite directions to direct horn blasts along the roadway is disclosed. A controller detects the presence of a tra |
|
|
|
