ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,139,733, issued on Aug. 4, was assigned to Shenzhen Shenlaiyibi Technology Co. Ltd. (Shenzhen, China).
"Dumbbell set" was invented by Longfei Wang (Shenzhen, China) and Zhihao Qiu (Shenzhen, China).
The patent was filed on Sept. 4, 2024, under Application No. D/961,074.
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