Patents/Inventors

Weifeng Lu

ShanghaiCN2 patents

3 Patents

USD11241282026
Pen
ZHEJIANG XINGYE CULTURAL PRODUCTS CO., Ltd.
0 cites
USD10551582024
Pen
Hainan Xingye Investment Co., Ltd.
0 cites
US117872222023
Two-color Pen
HAINAN XINGYE INVESTMENT CO., Ltd.
0 cites