Workbench

FIG. 1 is a perspective view of a first embodiment of a workbench showing our new design; FIG. 2 is a front view thereof; FIG. 3 is a rear view thereof; FIG. 4 is a left side view thereof, the right side view being a mirror image thereof; FIG. 5 is a top view thereof; FIG. 6 is a bottom view thereof; FIG. 7 is a perspective view of a second embodiment of a workbench showing our new design; FIG. 8 is a front view thereof; FIG. 9 is a rear view thereof; FIG. 10 is a left side view thereof, the right side view being a mirror image thereof; FIG. 11 is a top view thereof; and, FIG. 12 is a bottom view thereof. The details of the workbench shown in broken lines form no part of the claimed design.