Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7111702 | Steering angle control of independent rear clutches in a four-wheel drive vehicle | Dan J. Showalter | 2006-09-26 |
| 6575282 | Yaw damper for a two wheel drive motor vehicle | Dan J. Showalter, Roger J. Wood | 2003-06-10 |
| 4432255 | Hydraulic control for a power transmission | August H. Borman | 1984-02-21 |
| 4342543 | Oil level control | Karl Allen, Jack H. Van Gorder | 1982-08-03 |