ALEXANDRIA, Va., Feb. 19 -- United States Patent no. D1,062,691, issued on Feb. 18, was assigned to HIFIMAN KUNSHAN TECHNOLOGY GROUP Co. LTD. (Tianjin, China).
"Headphone" was invented by Fang Bian (Tianjin, China).
The patent was filed on Feb. 23, 2023, under Application No. D/885,412.
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