ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,513, issued on Aug. 19, was assigned to GTScien Co. Ltd. (Daejeon, South Korea).
"Hazardous gas purification device with built-in purification system" was invented by Yeon Kyun Kang (Daejeon, South Korea), Sung Kwan Je (Daejeon, South Korea), Man Sung Jeong (Daejeon, South Korea) and Jun Yeon Cho (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hazardous gas purification device with a built-in purification system is disclosed. The disclosed present invention is characterized in that it comprises a body case provided with an intake port for sucking hazardous gas on the upper side, provided with an exhaust port for discharging pu...