Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9711045 | System and method for traffic preemption emitter type detection and response | David G. Worthy | 2017-07-18 |
| 8742946 | System and related methods for powering and controlling traffic preemption system components | David G. Worthy | 2014-06-03 |
| 8373578 | Wireless head for a traffic preemption system | Scott T. Sikora, David G. Worthy | 2013-02-12 |
| 8339280 | Traffic preemption system and related methods | Scott T. Sikora, David G. Worthy | 2012-12-25 |
| 8054202 | Traffic preemption system and related methods | Scott T. Sikora, David G. Worthy | 2011-11-08 |