ZH

Zhiyong He

Overall (2016): #167,028 of 481,213Top 35%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9366110 Multi-level sliding sleeve Qiang Feng, Jun Li, Fei Li, Yao Mei Wang, Wei Dang +1 more 2016-06-14