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The ornamental design for a hammer drill, as shown and described. |
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FIG. 1 is a front perspective view of a hammer drill showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is right side elevational view thereof; and,
FIG. 7 is a left side elevational view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jul 28 1997 | ZURWELLE, DONALD W | Black & Decker Inc | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008644 | /0647 | |
| Jul 29 1997 | Black & Decker Inc. | (assignment on the face of the patent) | / |
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