Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834498 | Diesel aftertreatment systems | Devesh Upadhyay, Michael Goebelbecker, William Charles Ruona | 2004-12-28 |
| 6732723 | Method and system for controlling EGR rate in diesel engines | — | 2004-05-11 |