Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7939035 | Sample preparation device for extracting drug residue | Guoqing Wang, Feijun Xian, Wanli Xing, Xianhua Wang, Jing Cheng | 2011-05-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7939035 | Sample preparation device for extracting drug residue | Guoqing Wang, Feijun Xian, Wanli Xing, Xianhua Wang, Jing Cheng | 2011-05-10 |