Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074505 | Internal combustion engine exhaust filtration analysis system | Ekathai Wirojsakunchai, Christopher P. Kolodziej, Renato A. Yapaulo | 2011-12-13 |
| 6742507 | Feed composition modification for internal combustion engines | Bowie G. Keefer, Daniel K. Mather, Denis J. Connor, Carl F. Hunter, Todd W. Smith | 2004-06-01 |