Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5738075 | Hydraulically-actuated fuel injector with direct control needle valve | Gregory W. Hefler | 1998-04-14 |
| 5687693 | Hydraulically-actuated fuel injector with direct control needle valve | Gregory W. Hefler | 1997-11-18 |
| 5682858 | Hydraulically-actuated fuel injector with pressure spike relief valve | Gregory W. Hefler | 1997-11-04 |
| 5586723 | Liquid spray nozzle with liquid injector/extractor | Ted Butterfield | 1996-12-24 |