ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,275, issued on May 19, 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 main frame, a transparent lens portion, a water-sealing skirt and a breathing tube. The main frame includes a lens frame, a mouth frame and a nose frame interposed therebetween. The water-sealing skirt is integrally formed by an eye skirt, a nose skirt and a mouth skirt, and a skirt frame is arranged in front of the eye skirt. The transparent lens portion and the skirt frame are embedded in the lens frame in a water-sealing manner...