ALEXANDRIA, Va., Dec. 9 -- United States Patent no. D1,105,303, issued on Dec. 9, was assigned to Yongkang Zuojian Industry and Trade Co. Ltd. (Yongkang, China).
"Adjustable dumbbell" was invented by Jianjun Li (Luzhou, China).
The patent was filed on Dec. 13, 2023, under Application No. D/920,808.
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