Pen

FIG. 1 is a perspective view of the pen of the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a perspective view of the pen, shown with the cap removed and omitted for ease of illustration;

FIG. 9 is a back view thereof;

FIG. 10 is a front view thereof;

FIG. 11 is a top view thereof;

FIG. 12 is a bottom view thereof; and,

FIG. 13 is an exploded view of FIG. 1 thereof.

The broken lines illustrate portions of the article which form no part of the claimed design.