ALEXANDRIA, Va., Dec. 9 -- United States Patent no. D1,104,695, issued on Dec. 9, was assigned to JIANGYIN DIAMOND TOOLS Co. LTD. (Wuxi, China).
"Knife sharpener" was invented by Dongchen Huang (Wuxi, China).
The patent was filed on May 22, 2024, under Application No. D/943,451.
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