US D590063 S1
The ornamental design for a glucose meter, as shown.
FIG. 1 is a top, front, side, perspective view of a glucose meter showing our new design;
FIG. 2 is a top, rear, side perspective view thereof;
FIG. 3 is a bottom, front, side, perspective view thereof; and,
FIG. 4 is a bottom, rear, side, perspective view thereof.
The broken lines are included for the purpose of illustrating a portion of the glucose meter that forms no part of the claimed design.