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The ornamental design for a pencil sharpener casing, as shown. |
FIG. 1 is an isometric view of the pencil sharpener casing;
FIG. 2 is a first side view;
FIG. 3 is a top view;
FIG. 4 is a bottom view;
FIG. 5 is a second side view;
FIG. 6 is a front view; and,
FIG. 7 is a rear view.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
May 19 1997 | Wayne State University | NATIONAL SCIENCE FOUNDATION | CONFIRMATORY LICENSE SEE DOCUMENT FOR DETAILS | 013438 | /0730 |
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