XL

Xiayan Li

CC Crrc Tangshan Co.: 1 patents #32 of 151Top 25%
📍 Tangshan City, CN: #35 of 143 inventorsTop 25%
Overall (All Time): #2,643,785 of 4,157,543Top 65%
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Patent #TitleCo-InventorsDate
11279383 Sleeping car compartment and sleeping car Lei Zhang, Guoyan Gao, Liwei Shen, Baolin Yu, Chenhui Liu 2022-03-22