ALEXANDRIA, Va., Oct. 21 -- United States Patent no. D1,154,561, issued on Oct. 20, was assigned to Harman International Industries Inc. (Northridge, Calif.).
"Headphone" was invented by Adrian Kok Hang Law (Shenzhen, China) and Laurent Lindenberger (Amsterdam).
The patent was filed on May 2, 2025, under Application No. D/002,264.
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