YJ

Yanfeng Jia

GC Guangzhou Construction Engineering Co.: 1 patents #1 of 7Top 15%
📍 Lo Wu, CN: #234 of 494 inventorsTop 50%
Overall (2017): #192,283 of 506,227Top 40%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9670684 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 2017-06-06