Step stool

Details Step stool Step stool

2007-05-03

2008-09-02

Clark, Doris (Department: 2914)

Building units and construction elements

Stair, ladder, scaffold, or similar support

Stepped

Design Patent

active

D0576291

CLAIM:
We claim the ornamental design for a step stool, as shown and described.

REFERENCES:
patent: 4440264 (1984-04-01), Knoke et al.
patent: D434855 (2000-12-01), Ullum et al.
patent: D455842 (2002-04-01), Rosko

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