Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5617836 | Engine control system for producing and responding to an index of maturity of adaptive learing | Michael John Cullen, Robert Matthew Marzonie, Eric J. Grant, Ronald A Yannone, Jr. | 1997-04-08 |
| 5609126 | Variable camshaft timing system with altitude compensation | Michael John Cullen, Eric L. Clinton, Larry Allen Hardy | 1997-03-11 |