ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,854, issued on March 31, was assigned to NWI NASHVILLE LLC (Nashville, Tenn.).

"Anti-crippling element stiffener and associated methods" was invented by Harold M. Brewer Jr. (Goodlettsville, Tenn.), Steve McDonough (Burns, Tenn.) and Travis Simmons (Lebanon, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of stiffening the integral ribs of a panel to prevent crippling of the ribs during forming of the panel. The method provides that anti-crippling stiffeners are attached to the ribs, such as by using clamps. Then, the panel is formed while the anti-crippling stiffeners are attached to the ribs. The anti-crippling stiffeners add stiffn...