PL

Ping Li

SC Shenzhen Grandsun Electronic Co.: 1 patents #12 of 30Top 40%
Overall (2019): #310,761 of 560,194Top 60%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D839849 In ear wireless headset Xin Yu, Shiwen Guo, Haiquan Wu, Ruiwen Shi 2019-02-05