Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9453829 | Soil property test device | Huaiping Feng, Jianmei Chang, Tielin Li, Yanjie Lin, Chaoliang Ye +2 more | 2016-09-27 |
| 9345358 | Electric steamer and control method thereof | Bei Zhang | 2016-05-24 |
| 8536490 | Wireless signal transmission device and method thereof | George Zhang, Bei Zhang | 2013-09-17 |