US Patent Issued on July 21 for "Electric knife sharpener" (Chinese Inventor)

ALEXANDRIA, Va., July 21 -- United States Patent no. D1,135,583, issued on July 21.

"Electric knife sharpener" was invented by Zhiwei Li (Quanzhou City, China).

The patent was filed on Aug. 28, 2025, under Application No. D/020,475.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=D1135583&OS=D1135583&RS=D1135583

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