Claims (1)
Claim 1 (Independent)
The ornamental design for a knife sharpener, as shown and described.
Full Description
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FIG. 1 is a top perspective view of a knife sharpener in accordance with the present invention wherein a sharpening rod is housed in a handle of the knife sharpener;
FIG. 2 is an end view of the sharpening rod of the knife sharpener shown in FIG. 1 ;
FIG. 3 is a top perspective exploded view the knife sharpener shown in FIG. 1 ; and,
FIG. 4 is top perspective view of the knife sharpener shown in FIG. 1 in an assembled configuration with the sharpening rod threaded onto the handle of the knife sharpener.
Citations
This patent cites (16)
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