The ornamental cough pillow, as shown and described.
FIG. 1 is a front elevational view of the cough pillow of the present
invention.
FIG. 2 is a right side elevational view of the drawing of FIG. 1 the text
of FIG. 1 being removed for clarity purposes, and the left side of the
cough pillow being substantially a mirror image of the right side;
FIG. 3 is an bottom plan view of the cough pillow of FIG. 1 the text of
FIG. 1 being removed for clarity purposes, and the top of the cough pillow
being substantially a mirror image of the bottom; and,
FIG. 4 is a rear elevational view of the drawing of FIG. 1.