US Patent Issued to Xerox on Nov. 18 for "Methods of printing document markings with enhanced moire effects, and documents that exhibit such effects" (New York, Pennsylvania Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,765, issued on Nov. 18, was assigned to Xerox Corp. (Norwalk, Conn.).

"Methods of printing document markings with enhanced moire effects, and documents that exhibit such effects" was invented by Edward N. Chapman (Rochester, N.Y.) and Jonathan Ireland (Lancaster, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A substrate includes a mark that exhibits an enhanced moire effect. In some embodiments, the mark includes multiple sets of parallel lines printed at various angles and in certain color combinations that yield the mark that causes the substrate to exhibit the enhanced moire effect when viewed. In some embodiments, various components of a ma...