Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6460522 | Method and apparatus for controlling engine exhaust gas recirculation | — | 2002-10-08 |
| 6422219 | Electronic controlled engine exhaust treatment system to reduce NOx emissions | Craig L. Savonen, Richard M. Avery, Jr. | 2002-07-23 |