| 2642042 | Writing instrument | June, 1953 | Gowland | |
| 3453694 | SEPARATE PLASTIC PEN CAP AND CLIP | July, 1969 | Hechtle | 24/11F |
| D402693 | Writing instrument | December, 1998 | Sunaga | |
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| D453187 | Writing instrument | January, 2002 | Keda | |
| D457917 | Retractable pen | May, 2002 | Traut | |
| D465238 | Pen | November, 2002 | Qiu | |
| D492349 | Pen | June, 2004 | Qiu | D19/50 |
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| D502507 | Press type ballpoint pen | March, 2005 | Wang | |
| D510104 | Pen | September, 2005 | Qiu | |
| D542843 | Pen | May, 2007 | Qiu | D19/50 |
| D546882 | Pen | July, 2007 | Qiu | D19/50 |
| D552673 | Writing instrument | October, 2007 | Rolion et al. | D19/47 |
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| D562388 | Pen | February, 2008 | Qiu et al. | D19/47 |
| D562891 | Pen | February, 2008 | Qiu et al. | D19/47 |
| 20060062628 | Deformable grip for a writing implement | March, 2006 | Kostecki et al. | 401/6 |
FIG. 1 is a lower front left perspective view of a pen showing our new design;
FIG. 2 is an upper rear right perspective view of the pen shown in FIG. 1;
FIG. 3 is a left side elevation view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a front elevation view thereof;
FIG. 6 is a right side elevation view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a rear elevation view thereof.