Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D305236 | Agricultural tractor | Tetsuaki Hayashi | 1989-12-26 |
| D301224 | Steering wheel for agricultural machine | Hitoshi Oshima | 1989-05-23 |
| D301039 | Housing for an agricultural tractor | Seiichi Takahashi | 1989-05-09 |