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The ornamental design for a ball point pen, as shown and described.
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FIG. 1 is a front elevational view of a ball point pen, showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a side elevational view taken from the left side of FIG. 1, the right side elevational view being a mirror image thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof; and,
FIG. 6 is a perspective view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Sep 12 2001 | YOON, CHANG BONG | DONG-A PENCIL CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012230 | /0653 | |
| Oct 04 2001 | Dong-A Pencil Co., Ltd. | (assignment on the face of the patent) | / |
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