FIG. 1 is a rear perspective view of a stapler showing our design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a rear elevational view thereof; and,
FIG. 6 is a right side elevational view thereof; the left side elevational view being a mirror image thereof.
The broken lines in the Figures are for illustrative purposes only and form no part of the claimed design.