Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7950373 | Check valve with separate spherical spring guide | Gregory W. Hefler, Michael C. Long, Donald A. Fuller | 2011-05-31 |
| 6412704 | Fuel injector with rate shaping control through piezoelectric nozzle lift | Ronald D. Shinogle | 2002-07-02 |
| 6079641 | Fuel injector with rate shaping control through piezoelectric nozzle lift | Ronald D. Shinogle | 2000-06-27 |