BL

Baoti Li

OPPO: 1 patents #143 of 284Top 55%
Overall (2020): #537,562 of 565,922Top 95%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10805731 Method for controlling earphone switching, earphone, and earphone system Jinhua Gong 2020-10-13