The ornamental design for a monitorsupport apparatus, as shown and described.
FIG. 1 is a perspective view of a monitor support apparatus in accordance with the present disclosure;
FIG. 2 is a front elevational view of the monitor support apparatus of FIG. 1;
FIG. 3 is a right side elevational view of the monitor support apparatus of FIGS. 1 and 2, the left side elevational view being a mirror image of the right side elevational view; and,
FIG. 4 is a rear elevational view of the monitor support apparatus of FIGS. 1–3.
Throughout FIGS. 1–4 various features of the various monitor support apparatus are shown in phantom lines and are intended for illustrative purposes only and are not intended to constitute a part of the claimed design.