Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5540202 | Ignition timing control system for varying cold start spark advance during adaptive learning | Michael John Cullen, Robert Matthew Marzonie, Alan Robert Dona, Eric. J. Grant, Ronald A Yannone, Jr. | 1996-07-30 |
| 5445127 | Method and system for reducing engine spark knock during a rapid transient | Michael John Cullen, Joseph Norman Ulrey, Michael R. Giangrande | 1995-08-29 |