US Patent Issued to SHARPAL on July 29 for "Device for observing and positioning sharpening angle of cutting edge" (Chinese Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,352, issued on July 29, was assigned to SHARPAL INC. (Ontario, Calif.).

"Device for observing and positioning sharpening angle of cutting edge" was invented by Jianhua Wang (Shanghai), Lei Fang (Shanghai), Xiuying Wang (Shanghai) and Liping Ying (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a device for observing and positioning a sharpening angle of a cutting edge. The device includes a spirit bubble for observing a change of a sharpening angle of a cutting edge and positioning the sharpening angle of the cutting edge, and a base for fixing the device on a knife body. The spirit bubble is rotatably connected to the base for a...