Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7988195 | Steering column assembly having rollers to reduce friction during column collapse | Kevin D. Gerzseny, Michael D. Douponce, Rick B. Dolloff, Richard K. Riefe | 2011-08-02 |
| 7703804 | Telescopically adjustable steering column assembly including an adjustment stop having minimal effect on impact loads | William D. Cymbal, Kevin D. Gerzseny, Michael D. Douponce | 2010-04-27 |
| 7364006 | Steering system with leads and pulls compensation | Joel E. Birsching, Henry Yang, Martin Sheridan, Jeffrey M. Powell | 2008-04-29 |
| 5070957 | Variable effort automotive power steering gear | Ronald L. Harkrader | 1991-12-10 |