I claim the ornamental design for a splatter-control cover with handle and vent origices for microwave oven, as shown and described.
FIG. 1 is a perspective view of a splatter-control cover with handle and vent orifices for microwave oven showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a side elevational view thereof;
FIG. 4 is a bottom plan view thereof; and,
FIG. 5 is a perspective view showing the splatter-control cover with handle and vent orifices for microwave oven in use; the broken lines depict environmental structure for illustrative purposes only and form no part of the claimed design.