The ornamental design for a papertoweldispenser, as shown and described.
FIG. 1 is an exploded, top, front, and left side perspective view of a
paper towel dispenser showing my new design;
FIG. 2 is an exploded bottom, rear, and right side perspective view
thereof; and,
FIG. 3 is a reduced front elevational view thereof, the broken-line
disclosure being for illustrative purposes only and forming no part of the
claimed design.