Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8082733 | Air handling system with after-treatment | Thomas A. Grissom | 2011-12-27 |
| 6263672 | Turbocharger and EGR system | Stephen I. Roby | 2001-07-24 |
| 6089019 | Turbocharger and EGR system | Stephen I. Roby | 2000-07-18 |