Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10161284 | On-board diagnostic methods for partial filtration filters | Michael J. Cunningham, Phanindra V. Garimella, Ming-Feng Hsieh | 2018-12-25 |
| 7788911 | Adsorbed substance accumulation reduction for exhaust treatment equipment | Yuetao Zhang, Daniel D. Wilhelm, Joseph M. Brault, James A. Cramer, Thomas A. Grana | 2010-09-07 |