US Patent Issued to LG Electronics on Jan. 13 for "Mask apparatus with rear surface inlet, outlet and filter assembly" (South Korean Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,579, issued on Jan. 13, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Mask apparatus with rear surface inlet, outlet and filter assembly" was invented by Yeongcheol Mun (Seoul, South Korea), Sangkyun Baek (Seoul, South Korea), Dongkwon An (Seoul, South Korea), Dongeun Kim (Seoul, South Korea) and Sejeong Ahn (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...