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The ornamental design for a sharpening apparatus, substantially as shown and described. |
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FIG. 1 is a rear perspective view of the sharpening apparatus showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Apr 21 1983 | GRAVES, LOUIS N | LOUIS N GRAVES CO , INC | ASSIGNMENT OF ASSIGNORS INTEREST | 004141 | /0909 | |
| May 02 1983 | Louis N. Graves Company, Inc. | (assignment on the face of the patent) | / | |||
| Feb 19 1992 | LOUIS N GRAVES CO , INC | ARTHUR LANSKY LEVINE & ASSOCIATES, INC A NEW YORK CORPORATION | ASSIGNMENT OF ASSIGNORS INTEREST | 006101 | /0012 |
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