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The ornamental design for a key blank, as shown. |
FIG. 1 is a front elevational view of a key blank showing my new design;
FIG. 2 is an enlarged horizontal cross-sectional view thereof, taken midway along the length of the key blade;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a left side elevational view thereof; and,
FIG. 7 is a bottom plan view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Sep 14 1993 | Mul-T-Lock Ltd. | (assignment on the face of the patent) |
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