Patents/Inventors

Jinchun Zhang

NingboCN2 patents

3 Patents

US119505682024
Pet Comb
NINGBO HONGDU MODEL PLASTICS CO., Ltd.
0 cites
US118325882023
Pet Hair Removal Comb
NINGBO HONGDU MODEL PLASTICS CO., Ltd.
0 cites
US116139192023
Locking Apparatus
NINGBO HONGDU MODEL PLASTICS CO., Ltd.
0 cites