Knife sharpener

Description

FIG. 1 is a perspective view of a knife sharpener showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an enlarged view of portion 9 circumscribed within FIG. 1.

The broken lines depict portions of the knife sharpener in which the design is embodied that are not considered part of the claimed design.

Claims

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