Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6026679 | Method to infer engine coolant temperature in cylinder head temperature sensor equipped vehicles | John William Holmes, Michael John Cullen | 2000-02-22 |
| 5477829 | Automotive returnless fuel system pressure valve | Christian V. Hassinger, Stephen Kempfer, Matthew L. Stein | 1995-12-26 |
| 5237975 | Returnless fuel delivery system | Thomas E. Wiseman, Brian C. Prodin, Stephen Kempfer, Michael Robert Tinskey | 1993-08-24 |