Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887680 | Device for connecting work machine to tractor | Kenkichi Nozaka, Yoshihiro Kawahara, Fumiharu Horie | 1989-12-19 |
| 4884639 | Device for connecting working implement to tractor | Kenkichi Nozaka, Yosihiro Kawahara | 1989-12-05 |