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The ornamental design for a document shredder, as shown and described. |
FIG. 1 is a front, top, left side perspective view of a document shredder showing our new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof; and
FIG. 5 is a right side elevational view thereof.
Krause, Klaus-Diether, Stolzenberger, Florian
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Apr 11 1989 | KRAUSE, KLAUS-DIETHER | TA Triumph-Adler AG | ASSIGNMENT OF ASSIGNORS INTEREST | 005070 | /0479 | |
Apr 11 1989 | STOLZENBERGER, FLORIAN | TA Triumph-Adler AG | ASSIGNMENT OF ASSIGNORS INTEREST | 005070 | /0479 | |
Apr 14 1989 | TA Triumph-Adler AG | (assignment on the face of the patent) | / |
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