US D328300 S
Abstract available in
FIG. 1 is a front, top and right side perspective view of an extension ringing console for telephone sets;
FIGS. 2 and 3 are respectively front and rear elevational views thereof;
FIGS. 4 and 5 are left and right side elevational views thereof; and,
FIGS. 6 and 7 are respectively top and bottom plan views thereof.