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Xiangrui Li

📍 Shandong, CA: #10 of 23 inventorsTop 45%
Overall (2017): #93,014 of 506,227Top 20%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9828009 Hand brake Jingquan Bi, Chaoheng Wang, Jigang Zhou, Xin Zhang, Chao Lin 2017-11-28
9677959 Testing device for electromagnetic attraction force of a magnetic track brake Fan Yang, Baolei Hao, Mingxing Wang, Lei Yang 2017-06-13