Patents/Inventors

Tangchun Feng

JiangxiCN2 patents

3 Patents

USD10679732025
Bead Spinner
Shenzhen Rongyao Technology Co., Ltd.
0 cites
USD10653262025
Electric Bead Spinner
Shenzhen Rongyao Technology Co., Ltd.
0 cites
USD10237032024
Double Bowl Bead Spinner
0 cites