Patents/Inventors

Huan Dai

ShenzhenCN6 patents

6 Patents

USD11109962026
Microphone
0 cites
USD10851592025
Karaoke Speaker
0 cites
USD10768782025
Portable Audio
0 cites
USD10144542024
Portable Stereo
0 cites
USD10045682023
Portable Stereo
0 cites
USD10045762023
Microphone
0 cites