ALEXANDRIA, Va., Oct. 8 -- United States Patent no. D1,096,608, issued on Oct. 7, was assigned to Zhuhai CosMX Battery Co. Ltd. (Zhuhai, China).
"Button cell" was invented by Desheng Xu (Zhuhai, China) and Yongwang Wang (Zhuhai, China).
The patent was filed on Feb. 19, 2021, under Application No. D/771,074.
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