Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828082 | Control method for protecting a viscous converter clutch in a motor vehicle drivetrain | Gary J. Brand, David C. Poirier, Peter Jarzyna, John C. Haraf, Joseph M. Tolkacz +4 more | 1989-05-09 |
| 4809660 | Engine spark timing control for torque management of a motor vehicle drivetrain | Richard A. Marsh, Gary J. Brand, David C. Poirier, Sami M. Hamade | 1989-03-07 |