ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,687, issued on Dec. 16, 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) and Stephane Suchet (Marcellaz-Albanais, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sharpening sheath, adapted 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 provided with a guiding device for the back of the blade and a lower part comprising a sharpening d...