Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Chengyu Zhai
Ningbo City
CN
5 patents
4 Patents
USD1119073
2026
Hair Dryer
0 cites
USD1095971
2025
Hair Styling Device
0 cites
USD1094875
2025
Hair Dryer
0 cites
USD1084506
2025
Hair Styling Device
0 cites