US D350736 S
Abstract available in
FIG. 1 is a front elevational view of a track ball showing our new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a left side elevational view thereof, the right side is a mirror image; and,
FIG. 6 is a perspective view thereof.