YJ

Yanfeng Jia

GC Guangzhou Construction Engineering Co.: 1 patents #1 of 7Top 15%
📍 Lo Wu, CN: #363 of 743 inventorsTop 50%
Overall (2019): #216,738 of 560,194Top 40%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10435896 Apparatus and method for lifting and sliding a structure attached to the wall Long Wang, Jianming Wen, Junyue Gao, Wei Wei, Yuantao Zhao +1 more 2019-10-08