Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803936 | Thread tension device for overedge sewing machines | Yoshio Mikuni | 1989-02-14 |
| 4799439 | Double purpose looper for overlocking sewing machine | Yoshikazu Suzuki | 1989-01-24 |
| 4799440 | Looper changeover device | Yoshikazu Suzuki, Yoshihide Yoneda | 1989-01-24 |