ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,396,479, issued on Aug. 26, was assigned to KT&G Corp. (Daejeon, South Korea).
"Cooling structure and a smoking article including the same" was invented by Jung Kyu Seo (Daejeon, South Korea), Jae Hyun Lee (Daejeon, South Korea) and Young Rim Han (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cooling structure, which is located downstream of a smoking material portion provided in a smoking article and located upstream of a mouthpiece portion, includes: a body portion that has a tube shape having a hollow therein and is made of a paper material; and a plurality of perforations that are arranged in a circumferential direction of th...