US Patent Issued to Xerox on Jan. 20 for "Methods of printing document markings with enhanced Moire effects, and documents that exhibit such effects" (Pennsylvania, New York Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,530,555, issued on Jan. 20, 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 Jonathan Ireland (Lancaster, Pa.), Edward N. Chapman (Rochester, N.Y.) and Keith D. Ewanyk (Rochester, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A substrate includes a mark that is an enhanced moire pattern. In some embodiments, the mark includes multiple sets of parallel bars printed at various angles and in certain color combinations. Each of the bars includes multiple lines printed at various colors. The overall mark will cause the substrate to ...