ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,148, issued on July 21.
"Rotating liquid filled wheel system" was invented by Wise Jackson Hardin (Altamonte Springs, Fla.) and John Paul Hardin (Fairview, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotating liquid filled wheel system includes a base platform that is connected to the rotational plate assembly of a wheel having an internally located weighted flotation device. The base platform positions the wheel in an upright orientation. The wheel includes a central tube that is connected to the rotational assembly and a plurality of radial tubes that form a polygon shape. The wheel includes a continuous watertight internal pathway that ...