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The ornamental design for a ballpoint pen, as shown and described.
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Patent | Priority | Assignee | Title |
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D478627, | Oct 07 2002 | Morris Pen Corporation | Pen |
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Sep 16 2005 | TSUCHIDA, MASAYUKI | Kabushiki Kaisha Pilot Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017037 | /0990 | |
Sep 26 2005 | Kabushiki Kaisha Pilot Corporation | (assignment on the face of the patent) | / |
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