Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666201 | System and method for diagnosing EGR performance using NOx sensor | — | 2003-12-23 |
| 6502386 | Catalyst monitoring in a diesel engine | Karen Marie Adams, Paul M. Laing, Robert Henry Hammerle | 2003-01-07 |