ALEXANDRIA, Va., April 7 -- United States Patent no. D1,121,591, issued on April 7, was assigned to SHENZHEN SHOKZ Co. LTD. (Shenzhen, China).
"Headphone" was invented by Haochen Liu (Shenzhen, China) and Lei Zhong (Shenzhen, China).
The patent was filed on Feb. 2, 2024, under Application No. D/523,878.
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