US D334086 S
Abstract available in
FIG. 1 is a front perspective view of air stone showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational thereof;
FIG. 4 is a side elevational view thereof, the opposite side being a mirror image of the side shown;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.