ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,938, issued on Oct. 14, was assigned to SEB S.A. (France).
"Sharpening sheath adapted to receive a knife, and combination of such a sheath and a knife" was invented by Stephane Plichon (Allonzier-la-Caille, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sharpening sheath, designed to receive a knife to be sharpened or stored, comprising a cavity for receiving a blade, an access opening at one end of the cavity, the sheath comprising, preferably in the vicinity of the access opening, an upper part equipped with a device for guiding the back of the blade and a lower part comprising a sharpening device onto which the cutting edge of the blade ...