Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823843 | System and method to minimize the amount of NOx released from a NOx trap | Joseph Robert Theis, Gopichandra Surnilla, Justin Anthony Ura, Hungwen Jen | 2004-11-30 |
| 6820597 | Engine system and dual fuel vapor purging system with cylinder deactivation | Michael John Cullen, Gopichandra Surnilla | 2004-11-23 |