Patents/Inventors

Wen Du

HunanCN5 patents

6 Patents

US124333222025
Water-based Electronic Cigarette Liquid
CHINA TOBACCO HENAN INDUSTRIAL CO., Ltd.
0 cites
US122135132025
Low-temperature Smoking Body and Preparation Method Thereof
CHINA TOBACCO HUNAN INDUSTRIAL CO., Ltd.
0 cites
USD10562622024
String Light
0 cites
US121504742024
Cooling Cigarette Filter and Cigarette
CHINA TOBACCO HUNAN INDUSTRIAL CO., Ltd.
0 cites
US121377302024
Cooling Cigarette Filter and Smoking Product
CHINA TOBACCO HUNAN INDUSTRIAL CO., Ltd.
0 cites
USD09988312023
String Light
0 cites