Inventor

HILGENFELDT THORSTEN G

US2 patents

Patents

2 patents

US5753884AMay 19, 1998

Aesthetic orthodontic band and attachment assembly

MINNESOTA MINING & MFG6 citations67

US5529491AJun 25, 1996

Aesthetic orthodontic band and welded attachment assembly

MINNESOTA MINING & MFG8 citations67