ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,588, issued on April 21.

"Resistance exercise sled with bag post" was invented by Hector Lombard (Coral Springs, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A resistance exercise sled with bag post that includes a base frame having wheels operably configured to generate resistance when placed in motion, thereby generating an intense leg exercise. The sled includes one or more handles for pushing the sled and a bag post assembly with a cantilevered central post frame member disposed in an erect orientation relative to the base frame, interposed between ends of the base frame, coupled to the base frame, having an upper central post end, a cen...