ALEXANDRIA, Va., Feb. 11 -- United States Patent no. D1,112,754, issued on Feb. 10, was assigned to Yeasound (Xiamen) Hearing Technology Co. Ltd (Xiamen, China).
"Hearing aid" was invented by Ziliang Wang (Fujian, China), Jiancheng Zhang (Fujian, China) and Mingqiang Fu (Fujian, China).
The patent was filed on Nov. 20, 2024, under Application No. D/974,166.
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