CL

Chaoyu Li

QC Qiqihar Railway Rolling Stock Co.: 1 patents #26 of 48Top 55%
Overall (All Time): #1,097,968 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D1010480 T-shirt ruler 2024-01-09
D1000296 T-shirt ruler 2023-10-03
D970368 T-shirt ruler 2022-11-22
8561548 Journal box rubber pad and bogie Zhenming Liu, Lidong Li, Shuming Xing, Haibin Hu, Weichun Ren +1 more 2013-10-22