ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,300, issued on Feb. 24, was assigned to Hella GmbH & Co. KGaA (Lippstadt, Germany).
"Lighting device for vehicles and production method" was invented by Dietmar Haut (Lippstadt, Germany) and Martin Muegge (Geseke, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lighting device for vehicles, comprising a housing containing a light source and an optical unit. The optical unit has a microstructured surface having a plurality of microstructure elements. The microstructure elements are formed from a limited selection of microstructure elements formed differently in at least two extension directions of the surface."
The patent was filed on Oct. ...