US D376599 S
Abstract available in
FIG. 1 is a front, top, and right side perspective view showing our new design for a dual-tone multi-frequency microphone;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a rear elevational view thereof; and,
FIG. 4 is a bottom plan view thereof.
The broken lines in FIGS. 2-4 are for illustrative purposes only and form no part of the claimed design.