ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,612, issued on July 28, was assigned to KT&G Corp. (Daejeon, South Korea).

"Aerosol-generating device" was invented by Jongsub Lee (Sungnam-si, South Korea), Minkyu Kim (Seoul, South Korea), Jueon Park (Seoul, South Korea) and Byungsung Cho (Gwangmyung-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aerosol-generating device is disclosed. The aerosol-generating device of the disclosure includes an upper housing comprising a first outer wall and a first inner wall, wherein an insertion space is defined within the first inner wall; a lower housing comprising a second outer wall coupled to the first outer wall and a second inner wall ...