Patents/Inventors

Guanhua Chai

ShenzhenCN4 patents

6 Patents

USD10441192024
Electronic Cigarette
0 cites
USD10351292024
Electronic Cigarette
0 cites
USD10293622024
Electronic Cigarette
0 cites
USD10139452024
Electronic Cigarette
0 cites
USD10006962023
Electronic Cigarette
0 cites
USD10006972023
Electronic Cigarette
0 cites