Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7552580 | Method and apparatus for producing high quality yarn on a ring-spinning machine | Weilin Xu, Zhigang Xia, Wenxiang Ye, Weigang Cui, Wenbin Li | 2009-06-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7552580 | Method and apparatus for producing high quality yarn on a ring-spinning machine | Weilin Xu, Zhigang Xia, Wenxiang Ye, Weigang Cui, Wenbin Li | 2009-06-30 |