Knife sharpener

Description

FIG. 1 is a perspective view of a knife sharpener according to our new design;

FIG. 2 is an alternate perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left-side elevation view thereof;

FIG. 6 is a right-side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

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

Claims

The ornamental design for knife sharpener as shown and described.