Patents/Inventors

Chaoyan Qin

RenhuaiCN3 patents

4 Patents

USD10920952025
Back Cushion
Qinhuangdao Wangtao Technology Co., Ltd.
0 cites
USD10676822025
Back Cushion
0 cites
USD10555672024
Pillow
Qinhuangdao Wangtao Technology Co., Ltd.
0 cites
USD10322402024
Pillow
Tianjin Xinxiangrong Supply Chain Management Co. Ltd
0 cites