Handpiece Control Box

FIG. 1 is a front top right side perspective view of a handpiece control box, showing my new design;

FIG. 2 is a front top left side perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a left side view thereof;

FIG. 9 is a bottom front left side perspective view thereof;

FIG. 10 is a bottom front right side perspective view thereof;

FIG. 11 is a bottom rear left side perspective view thereof; and,

FIG. 12 is a bottom rear right side perspective view thereof.

The broken lines in the drawings illustrate portions of the handpiece control box that form no part of the claimed design.