QL

Qingguo Lin

SU Shandong Normal University: 1 patents #1 of 2Top 50%
Overall (2019): #308,231 of 560,194Top 60%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

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