ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,096, issued on May 6, was assigned to Torus Inc. (South Salt Lake, Utah).

"Mechanical-energy storage unit and assembly fixture" was invented by Nathan Walkingshaw (Sandy, Utah), Calab Nelson (Springville, Utah), John Loveless (Layton, Utah), Zahra Derafshi (Cambridge, Mass.), Cliff Lambarth (Portage, Mich.) and Sean Peterson (Payson, Utah).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system may include a stacking device having a base portion and one or more walls, the base portion having a first axle receiver that holds a first axle at a first defined position, the one or more walls extending from the base portion, the stacking device receiving o...