ALEXANDRIA, Va., Nov. 11 -- United States Patent no. D1,101,678, issued on Nov. 11, was assigned to Xiamen Retone Hearing Technology Co. Ltd. (Xiamen, China).
"Charging case for hearing aid" was invented by Yiquan Shi (Xiamen, China) and Chengxiang Zhang (Xiamen, China).
The patent was filed on Feb. 21, 2024, under Application No. D/929,281.
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