US D318431 S
FIG. 1 is a bottom, front and left side perspective view of a telephone loop tester showing our new design;
FIG. 2 is a front elevational view;
FIG. 3 is a rear elevational view;
FIG. 4 is a top plan view;
FIG. 5 is a bottom plan view;
FIG. 6 is a right side elevational view; and
FIG. 7 is a left side elevational view thereof.