ALEXANDRIA, Va., Sept. 8 -- United States Patent no. D1,146,869, issued on Sept. 8, was assigned to HIFIMAN KUNSHAN TECHNOLOGY GROUP Co. LTD (Kunshan, China).

"Headphone" was invented by Fang Bian (Kunshan, China).

The patent was filed on July 26, 2024, under Application No. D/954,556.

*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=D1146869&OS=D1146869&RS=D1146869

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