Patents/Inventors

Lingfei Zhao

ShenzhenCN1 patent

3 Patents

USD10966252025
Pair of Earplugs and Earphones with Storage Box
0 cites
USD10967032025
Pair of Earplugs and Earphones with Storage Box
0 cites
USD10606502025
Ear Plug
Shenzhen Maoshengyi Technology Co., Ltd.
0 cites