QM

Qingkai Mei

SC Shenzhen Meidong Acoustics Co.: 5 patents #1 of 1Top 100%
Overall (2019): #31,270 of 560,194Top 6%
5
Patents 2019

Issued Patents 2019

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D852164 Headset 2019-06-25
D841617 Headset 2019-02-26
D841618 Headset 2019-02-26
D839850 Earphone 2019-02-05
D839237 Earphone 2019-01-29