ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,375, issued on Nov. 3, was assigned to QBAS Co. LTD. (Taipei City, Taiwan).
"Bouble-lens breathable mask" was invented by Chih-Cheng Shiue (Taipei City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A double-lens breathing mask includes a breathing tube and a body. The body includes a lens frame assembly, two lenses, and a waterproof sealing skirt. The skirt includes an eye skirt portion, a mouth skirt portion, and a nose skirt portion in between, wherein the eye skirt portion and two lenses are embedded in the lens frame assembly, and the nose skirt portion is formed between the two lenses, and protruding forward from a lower portion of the ...