Patents/Inventors

Zhi Ouyang

ShenzhenCN3 patents

4 Patents

USD10850562025
Earplug
TONGHENGJI (SHENZHEN) TECHNOLOGY
0 cites
USD10599862025
Knife Sharpener
Lesky (Shenzhen) Trading Co., Ltd.
0 cites
US119693072024
Electric Toothbrush Head
Lesky (Shenzhen) Trading Co., Ltd.
0 cites
USD09839672023
Outdoor Female Urinal
TONGHENGJI (SHENZHEN) TECHNOLOGY CO., Ltd
0 cites