ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,422, issued on Sept. 16, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Hygiene management device for entrance hall and control method of same" was invented by Taihong Kim (Seoul, South Korea), Hyunbyung Cha (Seoul, South Korea), Hyunsun Yoo (Seoul, South Korea), Joohyeon Oh (Seoul, South Korea), Byoungjoonphilip Han (Seoul, South Korea), Sang Yoon Lee (Seoul, South Korea), HyunJu Kim (Seoul, South Korea) and Chul Bae Lee (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hygiene management device for an entrance hall and a control method of the same are proposed. The hygiene management device may be installed in the s...