Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805704 | Rotary tilling device | Teruhisa Kobashi, Ichiro Kobashi, Yasuhiro Kobiki | 1989-02-21 |
| 4804047 | Rotary mower and tilling device | Teruhisa Kobashi, Ichiro Kobashi, Yasuhiro Kobiki | 1989-02-14 |