Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840417 | Movable yoke-type lifting magnet device | Akira Izumi, Hideo Niwa | 1989-06-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840417 | Movable yoke-type lifting magnet device | Akira Izumi, Hideo Niwa | 1989-06-20 |