IP Library › Granted Patent US 5,290,169
Granted Patent Utility
US 5,290,169 · App. 07/970,038

Optical light guide for dental light-curing lamps

Inventors: Joshua Friedman, Brian Dell
Patented Case View Patent ↗
Granted: Mar 1, 1994 Filed: Nov 2, 1992
Inventors
Joshua Friedman
Brian Dell

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Quick Facts
Patent No.
US 5,290,169
App. No.
07/970,038
Filed
1992-11-02
Granted
1994-03-01
Kind
A