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The ornamental design for a writing instrument, as shown and described. |
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FIG. 1 is a left front perspective view of a writing instrument showing my new design;
FIG. 2 is a right side elevational view, the left side being a mirror image thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof; and
FIG. 6 is a bottom plan view thereof.
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| Patent | Priority | Assignee | Title |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Oct 19 1989 | Prodir S.A. | (assignment on the face of the patent) | / |
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