ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,551, issued on Jan. 27, was assigned to Bulletproof Fitness Equipment Inc (Acton, Calif.).

"Horizontal pendulum squat system" was invented by Lawrence R. Nolan (Santa Clarita, Calif.), Christopher I. Gaddy (Brooklyn, N.Y.) and Nicole K. Nolan (Santa Clarita, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A horizontal pendulum squat system includes a frame structure having at least one or more bottom members and one or more substantially vertical members supporting a cross bar; a weight pivoting system supported by the cross bar to rotate at one or more connection points with the cross bar, the weight pivoting system having weight arms connect...