ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,697, issued on April 7, was assigned to Supertanks LLC (Idaho Falls, Idaho).

"Method and fixture for molding a tank with an embedded ring" was invented by Kenneth S. Anderson (Rexburg, Idaho), Klint S. Anderson (Rexburg, Idaho) and Chad Strombeck (Ramsey, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of and fixture for molding a product with an embedded ring. A system for molding a ring into a product including a rotational molding mold with an opening formed in the rotational molding mold sized to fit a ring. A fixture is removably couplable to the ring, wherein the ring and the fixture when coupled are removably couplable in the op...