Building units and construction elements – Stair – ladder – scaffold – or similar support – Element or attachment
Design Patent
2002-09-26
2003-07-22
Clark, Doris (Department: 2914)
Building units and construction elements
Stair, ladder, scaffold, or similar support
Element or attachment
Design Patent
active
D0477672
CLAIM:
The ornamental design for a ladder leveler, as shown and described.
REFERENCES:
patent: D341664 (1993-11-01), Newkirk
patent: D412210 (1999-07-01), Opeka
Clark Doris
Foster Jason H.
Kremblas, Foster Phillips & Pollick
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