ALEXANDRIA, Va., Oct. 21 -- United States Patent no. D1,098,449, issued on Oct. 14, was assigned to Zhengze Technology (Hangzhou) Co. Ltd. (Hangzhou, China).
"Hearing aid set" was invented by Yongsheng Lu (Quzhou, China).
The patent was filed on June 27, 2024, under Application No. D/949,488.
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