Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7797929 | Low temperature emission control | Shane Elwart, Joseph Robert Theis, Gopichandra Surnilla | 2010-09-21 |
| 7523653 | Exhaust temperature sensor monitoring | Stephen B. Smith, Shane Elwart, Michael Igor Kluzner | 2009-04-28 |