We claim the ornamental design for a compact motorized desktop stapler, as shown and described.
FIG. 1 is a right side perspective view of a compact motorized desktop stapler showing our new design;
FIG. 2 is a right side elevational view showing our new design;
FIG. 3 is a left side elevational view showing our new design;
FIG. 4 is a top plan view showing our new design;
FIG. 5 is a bottom plan view showing our new design;
FIG. 6 is a rear elevational view showing our new design; and,
FIG. 7 is a front elevational view of showing our new design.
The broken lines shown in FIGS. 2 through 7 represent unclaimed portions of the compact motorized desktop stapler and form no part of the claimed design.