|
The ornamental design for a ballpoint pen, as shown and described.
|
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Dec 06 2010 | SHIBATA, TOMOAKI | Pentel Kabushiki Kaisha | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 025626 | /0225 | |
Dec 17 2010 | Pentel Kabushiki Kaisha | (assignment on the face of the patent) | / |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |