ALEXANDRIA, Va., Sept. 24 -- United States Patent no. D1,148,921, issued on Sept. 22, was assigned to Yiwu Quanren Trading Co. Ltd. (Yiwu City, China).
"Finger strength trainer" was invented by Ting Xu (Yiwu City, China).
The patent was filed on July 18, 2025, under Application No. D/013,817.
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