ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,216, issued on May 27, was assigned to IMPLUS FOOTCARE LLC (Durham, N.C.).

"Training device with collapsible arms" was invented by Richard Raymond Huth III (Encinitas, Calif.) and Giovanni Erick Guidetti III (Rancho Santa Margarita, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A training device including a hub, at least one elastic cord, and at least two arms. The hub including an upper side, a lower side, and a plurality of ports. The at least one elastic cord extending from the hub and is accessible via at least one of the plurality of ports. The at least two arms extending from the hub and are configured to move relative to the hub. The ...