Claims (1)
Claim 1 (Independent)
The ornamental design for a knife sharpener, as shown and described.
Full Description
Show full text →
FIG. 1 is a perspective view of a knife sharpener showing my new design;
FIG. 2 is a front view of the embodiment shown in FIG. 1 ;
FIG. 3 is a rear view of the embodiment shown in FIG. 1 ;
FIG. 4 is a left side view of the embodiment shown in FIG. 1 ;
FIG. 5 is a right side view of the embodiment shown in FIG. 1 ; and,
FIG. 6 is a top view of the embodiment shown in FIG. 1 .