ALEXANDRIA, Va., July 21 -- United States Patent no. D1,136,198, issued on July 21, was assigned to Huizhou Jinhao Medical Technology Co. Ltd. (Huizhou, China).
"Hearing aid" was invented by Huadong Wang (Huizhou, China), Wenqing Liu (Huizhou, China), Yunhui Chen (Huizhou, China) and Zexiang Wu (Huizhou, China).
The patent was filed on May 26, 2025, under Application No. D/005,361.
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