ALEXANDRIA, Va., Sept. 10 -- United States Patent no. D1,092,434, issued on Sept. 9, was assigned to JIANGXI MEIDONG TECHNOLOGY Co. LTD. (Yichun, China).
"Headphone" was invented by Qingkai Mei (Yichun, China).
The patent was filed on Nov. 22, 2023, under Application No. D/917,828.
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