Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637540 | Steerable drive axle with electrically-powered steering apparatus | Stanley John Kielar, Chad David Bauer | 2003-10-28 |
| 6039143 | Steerable drive axle with electrically-powered steering apparatus | Stanley John Kielar, Chad David Bauer | 2000-03-21 |
| 4741409 | Electric steering system for automobiles | Steven J. Hallman | 1988-05-03 |
| 4683971 | Concentric motor electric power steering for rack and pinion gear with center take-off | Donald J. Kurecka, David C. Yeack | 1987-08-04 |
| 4319467 | Universal joint seal vent | Gary G. Hegler | 1982-03-16 |