US Patent Issued to Covestro, Covestro Deutschland on June 30 for "Method for producing volume reflection holograms with substrate-guided reconstruction beams and/or substrate-guided diffracted beams in a single-beam set-up" (German, American Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,777, issued on June 30, was assigned to Covestro LLC (Pitsburgh, Pa.) and Covestro Deutschland AG (Leverkusen, Germany).

"Method for producing volume reflection holograms with substrate-guided reconstruction beams and/or substrate-guided diffracted beams in a single-beam set-up" was invented by Jack Mills (Pittsburgh), Friedrich-Karl Bruder (Krefeld, Germany) and Johannes Frank (Cologne, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclose relates to a method for producing volume reflection holograms with substrate-guided reconstruction beams and/or substrate-guided diffracted beams in a single-beam set-up, including the steps of (i) ...