Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7958792 | Hand-held swipe sampling device with sampling swab storage and cutter | Hua Peng, Jianhua Liu, Hui Li, Zhongxia Zhang | 2011-06-14 |
| 7947949 | Sample processing system and sample processing method for trace detector | Zhiqiang Chen, Yuanjing Li, Hua Peng, Hui Li, Zhongxia Zhang | 2011-05-24 |