ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,250, issued on April 8, was assigned to Overhead Door Corp. (Lewisville, Texas).

"Fortified roll-up barrier" was invented by Bradley C. Knable (Mcveytown, Pa.), David J. Horn (Loysville, Pa.) and Victor P. Santos Luzon (Lewistown, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A barrier system includes a roll-up barrier comprising a plurality of slats hingedly connected, a guide system, and a drive system. Each slat of the plurality of slats includes a central portion having a first thickness, a top portion, and a bottom portion. At least one of the top portion or the bottom portion having a second thickness less than the first thickness. The to...