Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9153128 | Traffic signal device for driver/pedestrian/cyclist advisory message screen at signalized intersections | Mark Holzwanger, John J. Mackey, Xianghong Liu, Steven A. Cohen, Harry Holzwanger | 2015-10-06 |
| 8044824 | Electronic barrier and enforcement system and method | Patrick Vu, Jannine Miller, Teresa Slack, John J. Breedlove | 2011-10-25 |