YD

Yan Duan

SC Shenzhen Qianhai Patuoxun Network And Technology Co.: 1 patents #12 of 30Top 40%
Overall (2021): #206,277 of 548,734Top 40%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D939270 Bottle lid Xiaojun Zheng 2021-12-28