ALEXANDRIA, Va., Feb. 17 -- United States Patent no. D1,114,262, issued on Feb. 17, was assigned to HETAIDA TECHNOLOGY Co. LTD. (Dongguan, China).
"Hearing aid" was invented by Zhenguang Chen (Dongguan, China).
The patent was filed on Jan. 9, 2025, under Application No. D/983,073.
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