Step stool

Details Step stool Step stool

2001-01-09

2001-09-04

Clark, Doris (Department: 2914)

Building units and construction elements

Stair, ladder, scaffold, or similar support

Stepped

Design Patent

active

D0447572

CLAIM:
The ornamental design for a step stool, as shown and described.

REFERENCES:
patent: D. 189419 (1960-12-01), Bair
patent: D. 236244 (1975-08-01), Lay

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