ALEXANDRIA, Va., July 23 -- United States Patent no. D1,084,815, issued on July 22, was assigned to Wuxi Dongzhi Technology Co. Ltd. (Wuxi, China).
"Knife sharpening tool" was invented by Jie Chen (Wuxi, China).
The patent was filed on Feb. 10, 2025, under Application No. D/989,021.
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