Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422220 | Internal combustion engine with an exhaust gas recirculation system | Noel R. Lepp, Steven R. McCoy | 2002-07-23 |
| 6363771 | Emissions diagnostic system | Steven R. McCoy | 2002-04-02 |