ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,153, issued on Nov. 11, was assigned to DREAMWELL LTD. (Doraville, Ga.).
"Reversible mattress topper" was invented by Stephen M. Groppel (Appleton, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A reversible mattress topper for a mattress is provided that includes opposing first and second panels. A fill material is intermediate the first and second panels. The panel materials and/or selected portions of the filler material will be selected to provide either cooling or comfort for the sleeper. One surface of the reversible mattress topper will be configured to be cooling in nature. The other surface of the reversible mattress will be comforting...