Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5390945 | Low-speed maneuverability enhancement for long single-unit vehicles | — | 1995-02-21 |
| 5205587 | Modular frame for automotive vehicles | — | 1993-04-27 |
| 5186485 | Vehicle suspension | Gordon S. Kranick | 1993-02-16 |
| D291982 | Truck cab | Wayne K. Simons, Roy L. Meryman | 1987-09-22 |
| D291872 | Cab-over-engine truck cab | Wayne K. Simons, Roy L. Meryman, Donald A. Richardson | 1987-09-15 |
| 4611796 | Aerodynamic retarder | — | 1986-09-16 |