Patents/Inventors

Po-feng Lee

TaipeiCN1 patent

2 Patents

USD10460932024
Portable Cooler and Heater
DONGGUAN YONGDONG ELECTRONIC TECHNOLOGY Co. Ltd.
0 cites
USD10450372024
Portable Cooler and Heater
DONGGUAN YONGDONG ELECTRONIC TECHNOLOGY Co. Ltd.
0 cites