Building units and construction elements – Stair – ladder – scaffold – or similar support – Stepped
Design Patent
2000-09-12
2001-10-16
Clark, Doris (Department: 2914)
Building units and construction elements
Stair, ladder, scaffold, or similar support
Stepped
Design Patent
active
D0449386
CLAIM:
The ornamental designs for step stool, as shown and described.
REFERENCES:
patent: D. 240220 (1976-06-01), Meyer
patent: D. 307800 (1990-05-01), Hradisky
Cheris Albert B.
Dziersk Mark
Clark Doris
Cook Alex McFarron Manzo Cummings & Mehler, Ltd.
Tenex Corporation
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