ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,942, issued on July 22, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Touch screen sensor" was invented by Matthew H. Frey (Cottage Grove, Minn.), Michael J. Robrecht (Shorewood, Wis.) and George F. Jambor (Burlington, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A touch screen sensor includes a visible light transparent substrate and an electrically conductive micropattern disposed on or in the visible light transparent substrate. The micropattern includes a first region micropattern within a touch sensing area and a second region micropattern. The first region micropattern has a first sheet resistance value in a first dir...