ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,980, issued on July 21, was assigned to Ameristar Perimeter Security USA Inc. (Tulsa, Okla.).
"Barrier with externally-looped cable" was invented by Robert W Nichols (Owasso, Okla.), Fred L Givens (Tulsa, Okla.) and Bryan L Hudson (Beggs, Okla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A barrier is formed from one or more intermediate posts situated between a pair of end posts. Long flexible cables interconnect the end posts and extend adjacent each intermediate post. Each cable is wrapped one or more times around each post. End posts may include dual columns that permit cable windings around both columns. A spike embedded within the end of eac...