Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5720496 | Energy absorber for motor vehicle steering column | Richard K. Riefe, Ray Armstrong | 1998-02-24 |
| 5715730 | Tilt adjustable motor vehicle steering column | Richard K. Riefe, Roger A. Bourbina | 1998-02-10 |
| 5706704 | Energy absorbing steering column for motor vehicle | Richard K. Riefe, David Michael Byers, Michael P. Anspaugh | 1998-01-13 |
| 5605352 | Energy absorbing steering column | Richard K. Riefe, Kurt Hilbrandt | 1997-02-25 |
| 5590565 | Motor vehicle steering column | Samuel Roland Palfenier, Frank R. Keipert, Leland N. Olgren, William D. Cymbal | 1997-01-07 |
| 5423722 | A steering shaft | Thomas J. Milton | 1995-06-13 |
| 5345679 | Method of making plastic ball sleeve assembly | Brady J. Lennon, Russell L. Herlache | 1994-09-13 |
| 5129280 | Adjustable steering column with column position indicating apparatus | Scott Norris | 1992-07-14 |
| 5115691 | Collapsible shaft assembly | — | 1992-05-26 |
| 5009120 | Manual control for adjustable steering column | Stanley J. Iseler, Benjamin H. Everett, II, John P. Sutorik | 1991-04-23 |
| 4903540 | Steering wheel tilt-lock | — | 1990-02-27 |
| 4892330 | Adjustable steering column | — | 1990-01-09 |
| 4867003 | Energy absorbing steering column | Leland N. Olgren | 1989-09-19 |
| 4805478 | Steering column for vehicle with multitube energy absorbing mast jacket | — | 1989-02-21 |
| 4805476 | Transmission shift control assembly | Benjamin H. Everett, II, Frederick P. Arndt | 1989-02-21 |
| 4724722 | Gearshift and ignition interlock mechanism | Gilbert J. Sauve, John P. Sutorik | 1988-02-16 |
| 4543848 | Tilt steering column for vehicles | — | 1985-10-01 |
| 4470322 | Steering column with adjustable tilt head and steering wheel assembly | — | 1984-09-11 |