ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,684, issued on March 31, was assigned to Magna Exteriors Inc. (Aurora, Canada).
"Light guide with single optical cavity" was invented by Chris Williamson (Macomb, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lighting device including predetermined harmonious lighting zones with independence utilizing a single cavity. The lighting device provides predetermined selectively independent lighting zones that can have harmonious appearance when turned all on but maintain crisp zone definition when turned on independently. These lighting zones are generated by a single optical cavity. Hexagonal or other predetermined shaped one-piece or multi-pie...