Patents/Inventors

Chuanqi Zhang

GuangdongCN2 patents

3 Patents

USD10568742025
Pair of Earphones
Shenzhen Grandsun Electronic Co., Ltd.
0 cites
USD10424072024
Earphone
Shenzhen Grandsun Electronic Co., Ltd.
0 cites
USD10268562024
Pair of Wireless Earphones
Shenzhen Grandsun Electronic Co., Inc.
0 cites