Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6391267 | Method of reducing internal combustion engine emissions, and system for same | Richard J. Martin, John D. Stilger, Mark Holst, John D. Young, Michael P. Barkdoll | 2002-05-21 |