Claims (1)
Claim 1 (Independent)
The ornamental design for a knife sharpener, as shown and described.
Full Description
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1. Knife sharpener
Fig. 1 . 1 is a perspective view of the knife sharpener;
Fig. 1 . 2 is another perspective view thereof;
Fig. 1 . 3 is a front elevation view thereof;
Fig. 1 . 4 is a side elevation view thereof;
Fig. 1 . 5 is another side elevation view thereof;
Fig. 1 . 6 is a top plan view thereof;
Fig. 1 . 7 is a bottom plan view thereof; and
Fig. 1 . 8 is an exploded perspective view thereof.
Citations
This patent cites (10)
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