Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6753294 | Catalytic wall-flow filter | Martyn Vincent Twigg, Anthony John Joseph Wilkins | 2004-06-22 |
| 6696031 | Treatment of exhaust gas | Martyn Vincent Twigg | 2004-02-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6753294 | Catalytic wall-flow filter | Martyn Vincent Twigg, Anthony John Joseph Wilkins | 2004-06-22 |
| 6696031 | Treatment of exhaust gas | Martyn Vincent Twigg | 2004-02-24 |