Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6523341 | Cold start vehicle catalyst monitor | Todd Anthony Rumpsa | 2003-02-25 |
| 5974785 | Closed loop bias air/fuel ratio offset to enhance catalytic converter efficiency | Ralph Wayne Cunningham, Patrick J. Curran | 1999-11-02 |