Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653101 | Method for treating an exhaust gas stream for the removal on NOx | Randy N. Peterson, Aaron L. Smith | 1997-08-05 |
| 5611198 | Series combination catalytic converter | Daniel J. Learned, Randy N. Peterson, Aaron L. Smith, Scott T. White | 1997-03-18 |