Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |