ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,440, issued on Feb. 17.
"Ski sled" was invented by Robin Perry (Riverside, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ski attachment for a wheeled insulated cooler which includes a left ski and a right ski and an upturned flange on each that is biased towards the inner edge of the ski. The upturned flange and a bracket are coordinated to allow a fastener to attach the bracket to the upturned flange. The bracket captures an axle and allows free rotation of the axle when the skis are connected to the axle. The bracket captures the axle to prevent the axle from being dislodged from the bracket on the ski. The ski is wide enough and long en...