Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687565 | Control of exhaust emissions from an internal combustion engine | Mark K. Barr, George A. Huff, Jr., Roger H. Cayton, Bruce D. Alexander, Richard A. Kretchmer | 1997-11-18 |