ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,904, issued on June 17, was assigned to Hella GmbH & Co. KGaA (Lippstadt, Germany).
"Lighting device for vehicles" was invented by Nils Barner (Lippstadt, Germany), Hubert Flottmeyer (Wunnenberg, Germany) and Marcus Gattwinkel (Lippstadt, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lighting device for vehicles has a light source and an optical waveguide, which itself includes a first optical waveguide segment with a light entry surface for light from the light source, a second optical waveguide segment with a light emission surface for the light. The emission surface has an optical structure, and a reflection segment between the first a...