ALEXANDRIA, Va., June 10 -- United States Patent no. D1,073,952, issued on May 6.
"Hearing aid" was invented by Sunjie Huang (Guangdong, China), Lei Zhong (Guangdong, China), Chaowu Li (Guangdong, China), Qianwen Nie (Guangdong, China), Chenlu Lou (Guangdong, China), Qingyu Zeng (Guangdong, China) and Fengyun Liao (Guangdong, China).
The patent was filed on April 7, 2023, under Application No. D/520,510.
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