Patents/Inventors

Zhengjun Zhou

HangzhouCN1 patent

2 Patents

US121020642024
Pet Feeder
JIANGSU ZHONGHENG PET ARTICLES JOINT-STOCK CO., Ltd.
0 cites
US120757502024
Cat Litter Box
JIANGSU ZHONGHENG PET ARTICLES JOINT-STOCK CO., Ltd.
0 cites