ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,547, issued on March 24, was assigned to Apex Cool Labs Inc. (Boulder, Colo.).

"Handheld palm cooling device" was invented by Ariel Jeremy Paul (Boulder, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Muscles held under tension undergo a chemical reaction that generates heat within the muscle, and subsequently that heat contributes to muscle fatigue. Research in the field of physiology and sports medicine has demonstrated that actively cooling an athlete's core body temperature can rapidly rejuvenate a fatigued muscle thereby allowing the athlete to extend the muscle's potential. Mammalians have several areas of glabrous tissue wherein a dens...