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The ornamental design for a ballpoint pen, as shown and described. |
FIG. 1 is a front elevational view of a ballpoint pen showing my new design;
FIG. 2 is a rear elevational view;
FIG. 3 is a right side elevational view;
FIG. 4 is a left side elevational view;
FIG. 5 is a top plan view;
FIG. 6 is a bottom plan view; and,
FIG. 7 is a bottom, right front perspective view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jun 26 1990 | BANNWART, JEAN-RENE | CORUM, RIES, BANNWART ET CO S A | ASSIGNMENT OF ASSIGNORS INTEREST | 005410 | /0406 | |
Aug 20 1990 | Corum, Ries, Bannwart et Co S.A. | (assignment on the face of the patent) | / |
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