JB

Jingquan Bi

📍 Shandong, CN: #587 of 2,138 inventorsTop 30%
Overall (All Time): #1,950,746 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9932053 Hand brake limiting device Chaoheng Wang, Xiangrui Li, Jigang Zhou, Xin Zhang, Chao Lin 2018-04-03
9828009 Hand brake Chaoheng Wang, Xiangrui Li, Jigang Zhou, Xin Zhang, Chao Lin 2017-11-28