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The ornamental design for a knife sharpener, as shown and described. |
FIG. 1 is a perspective view showing top front and left side;
FIG. 2 is a plan view;
FIG. 3 is an under view;
FIG. 4 is a front elevation;
FIG. 5 is a rear elevation;
FIG. 6 is a left end elevation; and
FIG. 7 is a right end elevation.
Mayer, Paul C., Reichow, James R.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jun 11 1980 | Fiskars Manufacturing Company | (assignment on the face of the patent) | / | |||
Aug 06 1980 | REICHOW, JAMES R | Fiskars Manufacturing Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 004004 | /0094 | |
Aug 11 1980 | MAYER, PAUL C | Fiskars Manufacturing Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 004004 | /0094 | |
Oct 29 1991 | FISKARS MANUFACTURING CORPORATION, A CORPORATION OF WI | FISKARS INC A WI CORPORATION | MERGER SEE DOCUMENT FOR DETAILS EFFECTIVE ON 12 31 1991WI | 006027 | /0178 |
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