Sign illuminating device
US D639479 S1
The ornamental design for a sign illuminating device, as shown and described.
FIG. 1 is a top/side perspective view of our new design;
FIG. 2 is a bottom/side perspective view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a widthwise/side view, with the other side being identical or a mirror image, thereof; and,
FIG. 6 is a lengthwise/side view, with the other side being identical or a mirror image, thereof.
The broken lines are for illustrative purposes only and form no part of the claimed design.