Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6408616 | Diesel OBD-II system for detection of degradation of catalyst activity | Paul M. Laing, Robert Henry Hammerle | 2002-06-25 |
| 6363713 | On-board diagnostics for detecting the operation of diesel emissions control system | Ching-Hsong Wu | 2002-04-02 |