Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8468961 | Clutch device for a needle bar of a sewing machine | Shui-Chun Tseng, Ching-Lin Huang | 2013-06-25 |
| 8468962 | Sewing machine with a thread holding device for holding needle thread remaining | Shui-Chun Tseng, Rick Cho | 2013-06-25 |
| 8402903 | Feed dog device for a sewing machine | Shui-Chun Tseng, Huan-Chi Hsu | 2013-03-26 |
| 8302547 | Thread cutting device for a sewing machine | Shui-Chun Tseng | 2012-11-06 |