Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815759 | Vehicle with steering-controlled torsion bar stabilizer | Tetsuo Imai, Gregory J. Marien | 1989-03-28 |
| 4804198 | Vehicle with steering-controlled torsion bar stabilizer | Tetsuo Imai, Gregory J. Marier | 1989-02-14 |