Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497076 | Moveable bumper for a loading dock | Henk De Lang, Reinhard E. Sander | 2002-12-24 |
| RE37570 | Wheel-activated vehicle restraint system | Scott L. Springer, Norbert Hahn, Marcel Boon, Frank De Beer | 2002-03-05 |
| 5762459 | Wheel-activated vehicle restraint system | Scott L. Springer, Norbert Hahn, Marcel Boon, Frank De Beer | 1998-06-09 |