Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6986646 | Electronic trim for a variable delivery pump in a hydraulic system for an engine | Craig Bettenhausen, Bryan E. Nelson | 2006-01-17 |
| 6349920 | Poppet valve shaping for quick valve opening | Stephen R. Lewis, Charles B. Looney, Wade J. Robel, David E. Martin, James D. Griffith +2 more | 2002-02-26 |
| 6076501 | Min/Max speed governor for an internal combustion engine | Gregory E. Costley, Thomas S. Lane, Jeffrey R. Ries | 2000-06-20 |
| 6029682 | Rapidly opening electromagnetic valve | Stephen R. Lewis, Charles B. Looney, David E. Martin, James D. Griffith, Kenneth A. Caron +4 more | 2000-02-29 |