ALEXANDRIA, Va., Aug. 12 -- United States Patent no. D1,141,131, issued on Aug. 11, was assigned to Xiamen Vienatone Medical Technology Co. Ltd. (Xiamen, China).

"Hearing aid" was invented by Yongquan Liu (Xiamen, China), Kaihong Peng (Xiamen, China), Senjie Cai (Xiamen, China) and Weifu Xie (Xiamen, China).

The patent was filed on July 1, 2025, under Application No. D/011,116.

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