We claim the ornamental design for a beverage dispenser, as shown and described.
FIG. 1 is a perspective view of a first embodiment of the beverage dispenser in accordance with our new design;
FIG. 2 is a right view thereof;
FIG. 3 is a left view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a back view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a perspective view of a second embodiment of the beverage dispenser in accordance with our new design;
FIG. 9 is a right view thereof;
FIG. 10 is a left view thereof;
FIG. 11 is a front view thereof;
FIG. 12 is a back view thereof;
FIG. 13 is a top view thereof; and,
FIG. 14 is a bottom view thereof.
The even-length broken lines showing the remainder of the beverage dispenser are for environmental purposes only and form no part of the claimed design.