BEDFORD, Mass.--(BUSINESS WIRE)--Almost thirty years ago, a physicist bent wire and foil cutouts and started a revolution with antennas made of fractals. Further innovation led to fractal metamaterials and the world’s first invisibility cloak. But those innovations would have never been recognized nor implemented without one common driver: the U.S. patent system. “Patents drive innovation”, notes fractal inventor and innovator Nathan Cohen ,”and while its chic for some to bash the patent system