US D410545 S
FIG. 1 is a perspective view of a handset for an electrotactile vocoder for assistance with speech perception by a hearing-impaired person, showing our new design, with the broken line showing of the hand being for illustrative purposes only forming no part of the claimed design;
FIG. 2 is a top perspective view thereof;
FIG. 3 is a top plan view thereof; and,
FIG. 4 is a bottom plan view thereof.