Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4892048 | Automatic thread tightening device for a sewing machine | Kazumasa Hara, Mikio Koike, Mitsuru Nishijima | 1990-01-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4892048 | Automatic thread tightening device for a sewing machine | Kazumasa Hara, Mikio Koike, Mitsuru Nishijima | 1990-01-09 |