Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6752104 | Simultaneous dual mode combustion engine operating on spark ignition and homogenous charge compression ignition | Timothy E. Wiggers | 2004-06-22 |
| 6725646 | Rotary pulse detonation engine | James J. Callas | 2004-04-27 |