ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,009, issued on March 3, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Air conditioning apparatus and method of controlling indoor pressure using same" was invented by Mingi Cho (Suwon-si, South Korea), Kyunghoon Kim (Suwon-si, South Korea), Seojeong Kim (Suwon-si, South Korea), Sunggoo Kim (Suwon-si, South Korea), Changmin Seok (Suwon-si, South Korea), Seonghyun Yoon (Suwon-si, South Korea) and Donggyu Lee (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method comprising detecting an indoor carbon dioxide level; detecting an outdoor fine dust level; driving an air supply fan and an exhaust fan such th...