Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637540 | Steerable drive axle with electrically-powered steering apparatus | Kenneth L. Westercamp, Chad David Bauer | 2003-10-28 |
| 6039143 | Steerable drive axle with electrically-powered steering apparatus | Kenneth L. Westercamp, Chad David Bauer | 2000-03-21 |
| 4970913 | Venting mechanism | Charles L. Rasmer, Flave F. Stimpson | 1990-11-20 |