The U.S. Court of Appeal will soon decide if Zoltek Corp.’s patent to make carbon-fiber sheet products more resistant to electricity was infringed by the Pentagon during the production of the B-2 and F-22.
U.S. Air Force photo by Senior Airman Joseph A. Pagán Jr.
Zoltek owns a patent applied for in 1984 and issued in 1988 which it said was crucial in keeping both aircraft stealthy.