Patents/Inventors

Qinhui Zhang

GuangdongCN3 patents

4 Patents

US123645782025
Lockable Orthodontic Appliance
GUANGZHOU OO MEDICAL SCIENTIFIC LIMITED
0 cites
US121716362024
Buccal Tube with Hidden Traction Hook
GUANGZHOU OO MEDICAL SCIENTIFIC LIMITED
0 cites
USD10041012023
Dental Buccal Tube
GUANGZHOU OO MEDICAL SCIENTIFIC LIMITED
0 cites
USD09758532023
Dental Buccal Tube
GUANGZHOU OO MEDICAL SCIENTIFIC LIMITED
0 cites