Patents/Inventors

Zhengxiang Cheng

HubeiCN8 patents

4 Patents

US126168672026
Dumbbell and Dumbbell Assembly
0 cites
US122574712025
Counterweight Adjusting Apparatus for Weight-lifting Equipment
0 cites
USD10551822024
Adjustable Dumbbell
0 cites
USD10512582024
Adjustable Dumbbell
0 cites