Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789291 | Telerobotic nozzle positioning system for an automated roadway debris vacuum vehicle | Steven A. Velinsky, Andrew Porterfield | 2004-09-14 |
| 6056498 | Apparatus for retrieving conical roadway warning markers | Steven A. Velinsky, Cornelius J. Belltawn | 2000-05-02 |