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The ornamental design for a knife sharpener, as shown and described. |
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FIG. 1 is a left side elevational view of a knife sharpener in accordance with this design, the right side elevational view is a mirror image thereof;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a cross-sectional view taken through FIG. 1 along the line 6--6; and,
FIG. 7 is a perspective view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Apr 30 1993 | Edgecraft Corp. | (assignment on the face of the patent) | / | |||
| Apr 30 1993 | FRIEL, DANIEL D | Edgecraft Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 006779 | /0526 |
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