Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9153128 | Traffic signal device for driver/pedestrian/cyclist advisory message screen at signalized intersections | Mark Holzwanger, Xianghong Liu, Steven A. Cohen, Harry Holzwanger, Randall Guensler | 2015-10-06 |
| 6392564 | Aggressive driver monitoring and reporting system | Donna M. Mackey | 2002-05-21 |
| 6141611 | Mobile vehicle accident data system | Richard Pandolfi, Christopher J. Brogan | 2000-10-31 |