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The ornamental design for a writing instrument, as shown and described. |
FIG. 1 is a front elevational view of a writing instrument showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a top plan view; and
FIG. 6 is a bottom plan view.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Aug 22 1977 | Kreuzer-werk GmbH | (assignment on the face of the patent) | / |
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