Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6304321 | Vehicle classification and axle counting sensor system and method | Richard J. Wangler, Robert L. Gustavson, Robert E. McConnell, II | 2001-10-16 |
| 5553895 | Coupling assembly | Terry L. Karl, Gregory J. Gloden, Philip Carl Van Riper, John P. Zainea | 1996-09-10 |