Patent Number: 6,169,839

Title: Light distribution systems and illumination devices

Abstract: Illumination devices and light distribution systems utilizing overlapping joints, connector rings, end caps, assemblies for mounting light tubes to a ceiling or wall, and protective tubes.

Inventors: Johanson; Walter A. (St. Paul, MN)


International Classification: F21V 8/00 (20060101); G02B 6/00 (20060101); G02B 006/00 ()

Expiration Date: 01/02/2018