Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722123 | Exhaust aftertreatment device, including chemical mixing and acoustic effects | Michael T. Zuroski, Cary D. Bremigan, Kenneth J. Kicinski, C. Raymond Cheng | 2004-04-20 |
| 6712869 | Exhaust aftertreatment device with flow diffuser | C. Raymond Cheng, Randolph G. Zoran | 2004-03-30 |