US Patent Issued to D. Swarovski on May 13 for "Decorative articles having a changeable observed colour effect" (Austrian Inventor)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,295,464, issued on May 13, was assigned to D. Swarovski KG (Wattens, Austria).

"Decorative articles having a changeable observed colour effect" was invented by Christoph Plangger (Hatting, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "A decorative article (100) having an observed colour effect that is changeable depending on observer (200) viewing angle, the article comprising: a decorative element (110) comprising a front side (114) facing a forward direction and a back side (112) opposite the front side facing a rearward direction, wherein the back side comprises a back surface (113) having a first region (122) and a second region (124) surro...