ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,221, issued on May 13, was assigned to Timothy B. Higginson (Cohasset, Mass.).

"Double retractable rowing resistance system with configurable and convertible swinging seat-based exercise machine" was invented by Timothy B. Higginson (Cohasset, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exercise machine is described that incorporates a double retractable resistance band system for rowing exercises and that includes a multi-purpose, morphable swinging seat assembly that applies to convertible exercise machines and rowing boats. The double retractable rowing system is detachably integrated into a base plate (inclined planar board) of the e...