ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,234, issued on June 30, was assigned to Quarkstar LLC (Las Vegas).
"Luminaire with hollow optical systems" was invented by Eric Bretschneider (Corinth, Texas), Louis Lerman (Las Vegas) and Ferdinand Schinagl (North Vancouver, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A luminaire includes multiple light-emitting elements (LEEs); a base supporting the LEEs; and a first wall and a second wall each extending along a first direction from a respective first end facing the LEEs to a respective second end. The first and second walls have light-reflective surfaces facing each other. In one or more cross-sectional planes parallel to the first dire...