Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7805927 | Diesel engine displacement on demand | David Brown | 2010-10-05 |
| 6907725 | Method for reducing engine exhaust emissions | Patrick G. Szymkowicz, Roger B. Krieger | 2005-06-21 |
| 5063737 | Particulate trap system for an internal combustion engine | Jose M. Lopez-Crevillen | 1991-11-12 |
| 4987738 | Particulate trap system for an internal combustion engine | Jose M. Lopez-Crevillen, Surendra Singh | 1991-01-29 |