US Patent Issued to Seung Jun Oh, Inaudible Home Run Sound on Jan. 28 for "Protective face mask" (South Korean Inventors)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. D1,059,690, issued on Jan. 28, was assigned to Seung Jun Oh (Namwon-si, South Korea) and Inaudible Home Run Sound Co. Ltd. (Namwon-si, South Korea).

"Protective face mask" was invented by Seung Jun Oh (Namwon-si, South Korea).

The patent was filed on May 1, 2022, under Application No. D/837,032.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=D1059690&OS=D1059690&RS=D1059690

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