Inventor

LIEBHARDT FRANZ

DE2 patents

Patents

2 patents

US7284981B2Oct 23, 2007

Functional handpiece having a light emission element at its forward end

KALTENBACH & VOIGT21 citations89

US7267547B2Sep 11, 2007

Device for regulated heating of media in a dental handpiece

KALTENBACH & VOIGT11 citations80