Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850291 | Movable type of device for fertilizing the soil by piercing a nozzle into the same | Toshikazu Masuko, Shunro Hirao | 1989-07-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850291 | Movable type of device for fertilizing the soil by piercing a nozzle into the same | Toshikazu Masuko, Shunro Hirao | 1989-07-25 |