The ornamental design for a productdisplay, as shown and described.
FIG. 1 is a perspective view of a product display showing our new design;
FIG. 2 is a perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a left elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a right elevational view thereof;
FIG. 7 is a top elevational view thereof; and,
FIG. 8 is a bottom elevational view thereof.
The broken lines showing a display rack supporting the claimed design in FIG. 1 is for the purpose of illustrating environmental structure and forms no part of the claimed design. The broken lines depicting a banner located near the top of FIGS. 1, 2, 3, 9, 10, and 12 define the bounds of the claimed design and form no part thereof.