ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,439, issued on March 3, was assigned to DOCTER OPTICS SE (Neustadt an der Orla, Germany).

"Method for producing an optical element of glass" was invented by Christoph Dittmann (Neustadt an der Orla, Germany), Annegret Diatta (Neustadt an der Orla, Germany), Alexander Kuppe (Neustadt an der Orla, Germany), Ralf Polle (Neustadt an der Orla, Germany) and Toni Schnoor (Neustadt an der Orla, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to a method for producing an optical element (202), wherein a blank of transparent material is heated and/or provided and, after heating and/or after being provided between a first mold (UF...