ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,869, issued on Sept. 30, was assigned to Fortress Iron LP (Garland, Texas).
"Security fence" was invented by Geoff T. Luczycki (Garland, Texas) and Kevin T. Burt (Dallas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A security fence includes a pair of posts and a plurality of rails supported by the pair of posts and disposed vertically spaced apart. Each rail includes a bottom wall and an upper wall, each defining a plurality of spaced apart openings. A plurality of pickets are horizontally spaced apart along the plurality of rails, each picket extends through a respective bottom opening and a respective upper opening of each rail. A slide lock ba...