Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814041 | Multi-frequency engine intake resonator | Jeffrey A. Rech | 2004-11-09 |
| 6722123 | Exhaust aftertreatment device, including chemical mixing and acoustic effects | Z. Gerald Liu, Michael T. Zuroski, Cary D. Bremigan, Kenneth J. Kicinski | 2004-04-20 |
| 6712869 | Exhaust aftertreatment device with flow diffuser | Z. Gerald Liu, Randolph G. Zoran | 2004-03-30 |