Adjustable Step Stool with Safety Rail

FIG. 1 is a top, front, left side perspective view of an adjustable step stool with safety rail showing my new design;

FIG. 2 is a bottom, rear, right side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is another view of the adjustable step stool with safety rail shown in an alternative configuration; and,

FIG. 10 is an enlarged view of portion 10 in FIG. 3 .

The broken lines show the features of the adjustable step stool with safety rail that form no part of the claimed design. The dash-dot-dash broken lines define the boundary of an enlarged view and form no part of the claimed design.