Patents/Inventors

Qingqing Wen

ShenzhenCN4 patents

7 Patents

USD10385102024
Electronic Cigarette
0 cites
USD10351262024
Electronic Cigarette
0 cites
USD10351272024
Electronic Cigarette
0 cites
USD10337322024
Electronic Cigarette
0 cites
USD10337332024
Electronic Cigarette
0 cites
USD10293682024
Electronic Cigarette
0 cites
USD10006982023
Electronic Cigarette
0 cites