US D476821 S1
The design is embodied in the chair.
FIG. 1 is a front isometric view of the ergonomic chair showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof; and,
FIG. 6 is a top view thereof.