Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348111 | Wheeled vehicle steering system | David A. Williams, David J. Burke | 1994-09-20 |
| 5297045 | Vehicle suspension system | David. A. Williams | 1994-03-22 |
| 5291406 | Land vehicle suspension control system | David A. Williams | 1994-03-01 |
| 5273129 | Vehicle steering systems | David A. Williams | 1993-12-28 |
| 5217246 | Control system for controlling the suspension of a land vehicle | David A. Williams, John P. Davis | 1993-06-08 |
| 4962946 | Suspension unit for active suspension system | — | 1990-10-16 |
| 4830398 | Vehicle suspension arrangements | David A. Williams | 1989-05-16 |
| 4770264 | Vehicle steering system | David A. Williams | 1988-09-13 |
| 4753328 | Vehicle suspension systems and damping arrangements therefor | David A. Williams | 1988-06-28 |
| 4738332 | Torque splitting system for vehicles | — | 1988-04-19 |
| 4639013 | Vehicle suspension arrangements | David A. Williams | 1987-01-27 |
| 4625993 | Vehicle suspension system | David A. Williams | 1986-12-02 |
| 4386801 | Ground effect vehicle | Anthony C. B. Chapman | 1983-06-07 |
| 4367152 | Selected heteroaromatic nitrogen compounds as antioxidant/metal deactivators/electrical insulators in lubricating oils and petroleum liquid fuels | John MacDonald, Gerald A. MacAlpine | 1983-01-04 |