ALEXANDRIA, Va., Sept. 30 -- United States Patent no. D1,150,511, issued on Sept. 29.
"Ice roller" was invented by Minghai Wang (Guangzhou, China), Tingjun Wang (Guangzhou, China) and Zijun Wang (Guangzhou, China).
The patent was filed on Oct. 16, 2024, under Application No. D/968,487.
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