ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,759, issued on May 12, 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 includes a body having a main frame, a lens, and a waterproof sealing skirt. The waterproof sealing skirt has a partition dividing the interior of the body into an upper chamber that shields the eyes and a lower chamber that shields the nose, and arranges independent air intake passages and exhaust passages to separate the fresh air inhaled and the dirty air exhaled. Alternatively, a nasal connecting portion having a purge valve can be provi...