ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,562, issued on Aug. 25, was assigned to QBAS Co. LTD. (Taipei City, Taiwan).
"Breathable mask" was invented by Chih-Cheng Shiue (Taipei City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A breathable mask including a breathing tube and a body is provided. The body is connected to the breathing tube so that an interior of the body is in fluid communication with an outside through the breathing tube. The body includes a main frame, a lens, a waterproof skirt, a purge valve and a mouthpiece. The waterproof skirt has a portion embedded in the main frame and a partition to divide the interior of the body into an upper chamber and a lower chamber...