ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,494, issued on Feb. 10, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Portable air purifier" was invented by Juhyun Kim (Seoul, South Korea), Si Young Oh (Seoul, South Korea), Kidong Kim (Seoul, South Korea) and Seok-Ho Choi (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A portable air purifier may include a housing having an accommodation space formed therein and including an inlet through which air is suctioned and an outlet through which air is discharged, a filter installed at an inside of the housing that faces the inlet, a fan module installed at the inside of the housing that faces the outlet, a filter case in...