ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,474, issued on May 13, was assigned to Vitro Flat Glass LLC (Cheswick, Pa.).

"Article having a high visible light reflectance and a neutral color" was invented by Zhixun Ma (Pittsburgh), Adam D. Polcyn (Pittsburgh) and Andrew Wagner (Pittsburgh).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coated article includes a substrate and a coating applied over at least a portion of the substrate. The coating includes: a first dielectric layer over at least a portion of the substrate; a first metallic layer over at least a portion of the first dielectric layer; a first primer layer over at least a portion of the first metallic layer; a second dielectric la...