Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6263812 | Looper thread take-up structure of sewing machine capable of very easily clearing up tangling thread | — | 2001-07-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6263812 | Looper thread take-up structure of sewing machine capable of very easily clearing up tangling thread | — | 2001-07-24 |