YW

Yongning Wei

Overall (2020): #210,029 of 565,922Top 40%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10674248 Ear-hanging type structure and earphone including ear-hanging type structure Linjun Li 2020-06-02