ALEXANDRIA, Va., Feb. 11 -- United States Patent no. D1,112,755, issued on Feb. 10, was assigned to Xiamen Retone Hearing Technology Co. Ltd. (Xiamen, China).
"Audiphone" was invented by Yiquan Shi (Xiamen, China), Chengxiang Zhang (Xiamen, China) and Zhiqiang Su (Xiamen, China).
The patent was filed on Dec. 20, 2024, under Application No. D/979,731.
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