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The ornamental design for a key blank, as shown and described. |
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FIG. 1 is a perspective view of a key blank showing my new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a front end elevational view thereof;
FIG. 5 is a rear end elevational view thereof;
FIG. 6 is a top plan view thereof; and
FIG. 7 is a right side elevational view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Aug 22 1988 | Masco Building Products Corp. | (assignment on the face of the patent) | / | |||
| Aug 29 1989 | BOAG, NIGEL | MASCO BUILDING PRODUCTS CORP , A CORP OF DE | ASSIGNMENT OF ASSIGNORS INTEREST | 005128 | /0718 | |
| Sep 27 2004 | Weiser Lock Corporation | Newfrey LLC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015829 | /0407 |
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