Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8006652 | Emissions control system for diesel fuel combustion after treatment system | Gregory H. Guinther, Joseph W. Roos, Scott D. Schwab | 2011-08-30 |
| 7332001 | Method of enhancing the operation of diesel fuel combustion systems | Gregory H. Guinther, Mark T. Devlin, Joseph W. Roos | 2008-02-19 |
| 6971337 | Emissions control system for diesel fuel combustion after treatment system | Gregory H. Guinther, Joseph W. Roos, Scott D. Schwab | 2005-12-06 |
| 5109710 | Direct filter injection system for gas chromatographs | Matthew S. Newkirk | 1992-05-05 |