Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6761376 | Steering column for a vehicle | Richard K. Riefe, Marvin V. Manwaring, Ray Armstrong, Ravindra Jwalapathy | 2004-07-13 | $2,843,000 |
| 6659504 | Steering column for a vehicle | Richard K. Riefe, Marvin V. Manwaring, Ray Armstrong, Ravindra Jwalapathy | 2003-12-09 | $5,891,000 |