Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7868783 | Cellular-based preemption system | — | 2011-01-11 |
| 7864071 | Emergency vehicle traffic signal preemption system | Conrad F. Foster | 2011-01-04 |
| 7327280 | Emergency vehicle traffic signal preemption system | Conrad F. Foster | 2008-02-05 |
| 7265683 | Roadside-based communication system and method | — | 2007-09-04 |
| 7248149 | Detection and enforcement of failure-to-yield in an emergency vehicle preemption system | Richard Wickline | 2007-07-24 |
| 7116245 | Method and system for beacon/heading emergency vehicle intersection preemption | — | 2006-10-03 |
| 7113108 | Emergency vehicle control system traffic loop preemption | Conrad F. Foster | 2006-09-26 |
| 7098806 | Traffic preemption system | — | 2006-08-29 |
| 6940422 | Emergency vehicle traffic signal preemption system | Conrad F. Foster | 2005-09-06 |