Patents/Inventors

Hejin Cai

GuangzhouCN2 patents

3 Patents

USD10806012025
Earphone Charging Case
GUANGZHOU LANGSDON ELECTRONIC TECHNOLOGY CO., Ltd
0 cites
USD10228952024
Earphone Charging Case
0 cites
USD10207062024
Earphones
GUANGZHOU LANGSDON ELECTRONIC TECHNOLOGY CO., Ltd
0 cites