Patents/Inventors

Qingshui Ma

FujianCN2 patents

3 Patents

US116440602023
Threaded Nut
Xiamen Lota International Co., Ltd.
0 cites
US116440612023
Mounting and Dismounting Nut Structure
Xiamen Lota International Co., Ltd.
0 cites
US115853672023
Installation Nut
Xiamen Lota International Co., Ltd.
0 cites