Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6737036 | Catalyst compositions employing sol gel particles and methods of using the same | Joseph H. Z. Wu | 2004-05-18 |
| 6699448 | SOx tolerant NOx trap catalysts and methods of making and using the same | Joseph H. Z. Wu | 2004-03-02 |