The ornamental design for a dispenser, as shown and described.
FIG. 1 is a front right perspective view of a dispenser showing my new design;
FIG. 2 is a left side view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a front right perspective view of a dispenser shown in surrounding environmental structure; and,
FIG. 9 is an enlarged fragmentary view of the portion identified by the arrow and letter “A” in FIG. 1.
The dash-dotted broken line showing immediately adjacent to the shaded area represents an unclaimed boundary of the design. The dotted line showing of the remainder of the dispenser is for illustrative purposes only and forms no part of the claimed design. The arrow and letter “A” in FIG. 1 identify the portion shown in FIG. 9 and form no part of the claimed design.