Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822063 | Automotive suspension control system including suspension position sensor | W. Trent Yopp | 1989-04-18 |
| 4804203 | Control system and method for operating adjustable vehicular suspension unit over undulating road surfaces | Raymond Paul Nicosia, W. Trent Yopp | 1989-02-14 |