US Patent Issued to Yong Yi International Holding Co. Ltd. Taiwan Branch on Dec. 9 for "Knife sharpening device" (Chinese Inventor)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,598, issued on Dec. 9, was assigned to Yong Yi International Holding Co. Ltd. Taiwan Branch (New Taipei, Taiwan).

"Knife sharpening device" was invented by Mou-Fu Tsai (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a knife sharpening device, including a housing and a sharpening assembly arranged inside the housing. The sharpening assembly includes a sharpening wheel rotatably mounted inside the housing. The sharpening wheel includes two opposite mounting surfaces arranged along an axial direction and a sharpening surface along a circumferential direction. The housing is formed thereon with a first shar...