Knife sharpener

Description

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

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational 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; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the figures are for the purposes of illustrating portions of the knife sharpener, which form no part of the claimed design.

Claims

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