US D262738 S
Abstract available in
FIG. 1 is the front end view showing the blood flow detector,
FIG. 2 is the rear end view thereof,
FIG. 3 is the side view thereof,
FIG. 4 is the top plan view thereof and;
FIG. 5 is a perspective front view thereof showing in dotted lines, for illustration only, the attachment of the device to a stethoscope.