ALEXANDRIA, Va., Aug. 25 -- United States Patent no. D1,143,779, issued on Aug. 25, was assigned to ZHUHAI KELITONG ELECTRONIC Co. LTD. (Zhuhai, China).
"Grinder" was invented by Xiaoxian Song (Zhuhai, China).
The patent was filed on Oct. 10, 2025, under Application No. D/027,332.
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