ALEXANDRIA, Va., Sept. 30 -- United States Patent no. D1,149,509, issued on Sept. 29, was assigned to SHENZHEN YANYU CULTURE Co. LTD. (Shenzhen, China).
"Coffee grinder" was invented by Kui Jin (Shenzhen, China).
The patent was filed on Oct. 21, 2025, under Application No. D/028,863.
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