Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6905282 | Vehicle mounted crash attenuator | Patrick A. Leonhardt | 2005-06-14 |
| 6789291 | Telerobotic nozzle positioning system for an automated roadway debris vacuum vehicle | Steven A. Velinsky, Wilderich A. White | 2004-09-14 |