US D489494 S1
Abstract available in
FIG. 1 is a perspective view of a hollow ball having openings distributed about exterior surface in accordance with the present invention;
FIG. 2 is a front elevational view thereof, the rear elevational view is identical; and,
FIG. 3 is a top plan view thereof, the bottom plan view, the left side elevational view and the right side elevational view are identical.