Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6607704 | Sulfur tolerant lean NOx trap | Diane Guttridge, Jun Li, Robert J. Kudla, William L. H. Watkins | 2003-08-19 |
| 6537511 | Modified platinum NOx trap for automotive emission reduction | Jun Li, William L. H. Watkins, Amy Berris | 2003-03-25 |