Diagnostic Testing Instrument

FIG. 1 is a top view of a diagnostic testing instrument of our design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a top front perspective view thereof;

FIG. 8 is a top rear perspective view thereof; and,

FIG. 9 is a bottom rear perspective view thereof.

All broken lines represent portions of the diagnostic testing instrument that form no part of the claimed subject matter.