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The ornamental design for ladder step extender, as shown. |
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FIG. 1 is an isometric view of the ladder step extender of this design.
FIG. 2 is a top view of the ladder step extender.
FIG. 3 is a left side view of the ladder step extender of this design.
FIG. 4 is a right side view of the ladder step extender.
FIG. 5 is a front view of the ladder step extender.
FIG. 6 is a back view of the ladder step extender; and,
FIG. 7 is a bottom view of the ladder step extender of this invention.
Armstrong, Donald R., Bolf, Phillip F.
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