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The ornamental design for a knife sharpener, substantially as shown. |
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FIG. 1 is a front elevational view of a knife sharpener embodying my new design;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a rear elevational view thereof; and
FIG. 6 is a bottom plan view thereof.
| Patent | Priority | Assignee | Title |
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| D604134, | Feb 13 2009 | SMITH S CONSUMER PRODUCTS, INC | Abrasive sharpener |
| D604135, | Feb 13 2009 | SMITH S CONSUMER PRODUCTS, INC | Knife and scissors sharpener |
| D799930, | Apr 11 2016 | SMITH S CONSUMER PRODUCTS, INC | Hook and knife sharpener |
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Sep 20 1984 | ADER, GARY B | BERKLEY AND COMPANY, INC , A CORP OF IO | ASSIGNMENT OF ASSIGNORS INTEREST | 004321 | /0146 | |
| Sep 28 1984 | Berkley, Inc. | (assignment on the face of the patent) | / | |||
| Feb 04 2000 | BERKLEY INC | Harris Trust and Savings Bank | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 010942 | /0073 | |
| Jun 18 2003 | HARRIS TRUST AND SAVINGS BANK, AS AGENT | PURE FISHING, INC | RELEASE AND REASSIGNMENT | 014301 | /0361 |
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