QF

Qiang Feng

📍 Lo Wu, MA: #20 of 39 inventorsTop 55%
Overall (2016): #260,763 of 481,213Top 55%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

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