Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6684849 | Multiple operating mode engine and method of operation | Larry J. Brackney, Cariappa M. Chenanda, Robert M. Hurst, Lester L. Peters, Patrick M. Pierz +1 more | 2004-02-03 |
| 6684852 | Internal combustion engine operable in PCCI mode with post-ignition injection and method of operation | John F. Wright, Patrick M. Pierz | 2004-02-03 |