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Xiangrui Li

CC Crrc Qingdao Sifang Rolling Stock Research Institute Co.: 1 patents #1 of 25Top 4%
📍 Shandong, CA: #19 of 30 inventorsTop 65%
Overall (2018): #190,940 of 503,207Top 40%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9932053 Hand brake limiting device Jingquan Bi, Chaoheng Wang, Jigang Zhou, Xin Zhang, Chao Lin 2018-04-03