QL

Qingguo Lin

SU Shandong Normal University: 1 patents #10 of 37Top 30%
Overall (All Time): #2,865,546 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10335661 Breaststroke leg strength training device Xiaoyi Liu 2019-07-02