Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428117 | Parking brake control | — | 2002-08-06 |
| 5709438 | Failed booster back-up braking system | Larry E. Isakson, John Edmund Mackiewicz, Jeffery E. Devall, Michael E. Gatt | 1998-01-20 |
| 4666021 | Release mechanism for a hill holder device | — | 1987-05-19 |
| 4660691 | Vehicular hill holder system having a control circuit responsive to vehicular attitude, clutch position, and gear position | Keith H. Fulmer | 1987-04-28 |
| 4611696 | Brake control device | Lloyd G. Bach | 1986-09-16 |