US D354569 S
FIG. 1 is a perspective view of the lingual orthodontic arch appliance design of this invention, depicting the bottom, right side, and front thereof;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a left side view thereof, with the right side view being a mirror image;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a rear elevational view thereof.