FIG. 1 is a top, front, left side perspective view of a stool seat embodying my design; the legs shown in dotted line fashion do not form a part of the claimed design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a right side elevational view thereof, the left side elevational view being a mirror image thereof;
FIG. 5 is a rear elevational view thereof, the front elevational view being a mirror image thereof;
FIG. 6 is a top, front, left side perspective view of another embodiment of my stool seat; the legs shown in dotted line fashion do not form a part of the claimed design;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is a right side elevational view thereof, the left side elevational view being a mirror image thereof;
FIG. 10 is a rear elevational view thereof, the front elevational view being a mirror image thereof;
FIG. 11 is a top, front, left side perspective view of another embodiment of my stool seat; the legs shown in dotted line fashion do not form a part of the claimed design;
FIG. 12 is a top plan view thereof;
FIG. 13 is a bottom plan view thereof;
FIG. 14 is a right side elevational view thereof, the left side elevational view being a mirror image thereof;
FIG. 15 is a rear elevational view thereof, the front elevational view being a mirror image thereof;
FIG. 16 is a top, front, left side perspective view of another embodiment of my stool seat; the legs shown in dotted line fashion do not form a part of the claimed design;
FIG. 17 is a top plan view thereof;
FIG. 18 is a bottom plan view thereof;
FIG. 19 is a right side elevational view thereof, the left side elevational view being a mirror image thereof; and,
FIG. 20 is a rear elevational view thereof, the front elevational view being a mirror image thereof.