The ornamental design for a refrigerator handle, as shown and described.
FIG. 1 is a perspective view of a refrigerator handle, showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left-side view thereof;
FIG. 5 is a right-side view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is another perspective view of the refrigerator handle of FIG. 1, in which an unclaimed element is provided to illustrate an example unclaimed environment.
FIG. 9 is a left-side view of FIG. 8;
FIG. 10 is a right-side view of FIG. 8; and,
FIG. 11 is a front view of the refrigerator handle of FIG. 1, in which an unclaimed element is provided to illustrate an example unclaimed environment.
The broken lines are for unclaimed environmental purposes only and form no part of the claimed design.