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The ornamental design for a safety knife, as shown.
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FIG. 1 is a perspective of the safety knife from front, right side and above;
FIG. 2 is a front view of the safety knife;
FIG. 3 is a top plan view of the safety knife;
FIG. 4 is a left side view of the safety knife;
FIG. 5 is a view of the safety knife from beneath;
FIG. 6 is a right side view of the safety knife; and,
FIG. 7 is a rear view of the safety knife.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 11 2005 | WA1 Designs Limited | (assignment on the face of the patent) | / | |||
| Mar 14 2005 | IRELEAND, WILLIAM ALFRED | W A I DESIGNS LIMITED | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015967 | /0879 |
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