ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,934, issued on Aug. 19, was assigned to Hydromecanique et Frottement (Andrezieux-Boutheon, France), Manutech-USD (Saint-Etienne, France), Universite Jean Monnet Saint-Etienne (Saint-Etienne, France) and Centre National de la Recherche Scientifique (Paris).

"Optical device with surface texturing extending through coating layer into substrate" was invented by Thomas Kampfe (Corbas, France), Laurent Dubost (Chamboeuf, France) and Xxx Sedao (Saint-Etienne, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical device for transmitting/reflecting electromagnetic radiation in a wavelength range of an electromagnetic spectrum. The optical device i...