Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886137 | Electromagnetic control apparatus for varying the driver steering effort of a hydraulic power steering system | Andrzej M. Pawlak, David W. Graber | 1989-12-12 |
| 4886138 | Electromagnetic control apparatus for varying the driver steering effort of a hydraulic power steering system | David W. Graber, Andrzej M. Pawlak | 1989-12-12 |
| 4871040 | Electromagnetic control apparatus for varying the driver steering effort of a hydraulic power steering system | Andrzej M. Pawlak, David W. Graber, James W. Babineau | 1989-10-03 |