ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,793, issued on Nov. 11, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Mask apparatus" was invented by Yongmin Kim (Seoul, South Korea), Hojung Kim (Seoul, South Korea), Dongkwon An (Seoul, South Korea), Yeongcheol Mun (Seoul, South Korea) and Chiyoung Choi (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A mask apparatus includes: a mask body including a rear body and a front body coupled to a front surface of the rear body and providing an inlet and an outlet, a face guard coupled to the rear body and defining a respiration space, and an air cleaning module purifying air introduced into the inlet and supplying the pur...