ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,402, issued on March 18, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Transparent antenna stack and assembly" was invented by Stephen P. LeBlanc (Austin, Texas), Jeffrey A. Tostenrude (Leander, Texas), Gregory L Abraham (Austin, Texas) and Vicki L Richmond (Austin, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optically transparent antenna stack includes at least two stacked optically transparent antennas. Each antenna includes an electrically conductive metal mesh including a plurality of interconnected electrically conductive metal traces defining a plurality of enclosed open areas. The metal mesh of each antenna and...