Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823663 | Exhaust gas aftertreatment systems | Christine Kay Lambert, Paul M. Laing, Paul Joseph Tennison, William Charles Ruona | 2004-11-30 |
| 6813882 | System and method for removing NOx from an emission control device | Jeffrey Scott Hepburn | 2004-11-09 |