ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,227,959, issued on Feb. 18, was assigned to Ameristar Perimeter Security USA Inc. (Tulsa, Okla.).
"Cable-reinforced barrier" was invented by Robert W Nichols (Owasso, Okla.) and Michael D Elmore (Broken Arrow, Okla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A barrier is formed from bollards and posts that are embedded in a terrain. The bollards and posts are interconnected by, and support, vertically-spaced runs of primary rails. The rails in each run are aligned in end-to-end relationship. A strengthening cable extends within each run, and is anchored at each end within a concrete-filled bollard. Each bollard contains an elongate, vertically-orien...