ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,165, issued on Dec. 30, was assigned to ASO LLC (Sarasota, Fla.).

"Heated hydrocolloid patches for skin treatment" was invented by Brooke A. Hagerty (Bradenton, Fla.), Edmund A. Sinda (Bradenton, Fla.) and Mira Dosen (Sarasota, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A skin patch that is adherable to human skin over a blemish on the skin has an outer layer that forms a physical barrier over the blemish when applied thereto and a hydrocolloid layer attached to the outer layer that contacts the blemish when applied thereto. A thermochromic material is on the skin patch and/or waterproof packaging encapsulating the skin patch. The thermochr...