Knife sharpener

Description

FIG. 1 is a perspective view of a knife sharpener, embodying the new design;

FIG. 2 is a front elevation view of the knife sharpener of FIG. 1;

FIG. 3 is a rear elevation view of the knife sharpener of FIG. 1;

FIG. 4 is a top plan view of the knife sharpener of FIG. 1;

FIG. 5 is a bottom plan view of the knife sharpener of FIG. 1;

FIG. 6 is a left end elevation view of the knife sharpener of FIG. 1; and,

FIG. 7 is a right end elevation view of the knife sharpener of FIG. 1.

The broken lines illustrate portions of the knife sharpener in which the design is embodied that form no part of claimed design.

Claims

The ornamental design for a knife sharpener, as shown and described.