Tens machine

FIG. 1 is a of a top plan view a TENS machine of our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a front elevational view;

FIG. 7 is a top plan view including a display; and,

FIG. 8 is a top plan view including a different display.

The broken line showing in the drawings is included for the purpose of illustrating unclaimed portions of the TENS machine and forms no part of the claimed design.