Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6546718 | Method and system for reducing vehicle emissions using a sensor downstream of an emission control device | Jeffrey Scott Hepburn, Mark Allen Dearth | 2003-04-15 |
| 6487853 | Method and system for reducing lean-burn vehicle emissions using a downstream reductant sensor | Jeffrey Scott Hepburn, Mark Allen Dearth | 2002-12-03 |