Issued Patents All Time
Showing 76–80 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5911438 | Energy absorber for steering column | Ray Armstrong, James Anthony Smazenka | 1999-06-15 |
| 5718132 | Anti-theft steering shaft lock | Richard K. Riefe, David Michael Byers | 1998-02-17 |
| 5706704 | Energy absorbing steering column for motor vehicle | Richard K. Riefe, Howard D. Beauch, David Michael Byers | 1998-01-13 |
| 5669634 | Energy absorber for motor vehicle steering column | Marc William Heinzman, Richard K. Riefe, David Michael Byers | 1997-09-23 |
| 5272933 | Steering gear for motor vehicles | Gregory P. Collier, Terry E. Burkhard | 1993-12-28 |