Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10801142 | Positioning structure for an eccentrically movable tongue seat | — | 2020-10-13 |
| 10801143 | Knee operated lifting mechanism for a presser foot of a sewing machine | — | 2020-10-13 |
| 10801144 | Hollow pipe joint structure for a sewing machine | — | 2020-10-13 |
| 10767293 | Sewing-thread pre-stress device for a sewing machine | — | 2020-09-08 |