Building units and construction elements – Stair – ladder – scaffold – or similar support – Element or attachment
Design Patent
2003-03-28
2003-11-11
Clark, Doris (Department: 2914)
Building units and construction elements
Stair, ladder, scaffold, or similar support
Element or attachment
Design Patent
active
D0482131
CLAIM:
The ornamental design for a ladder leveler, as shown and described.
REFERENCES:
patent: D419243 (2000-01-01), Goch
patent: D431081 (2000-09-01), Johansson et al.
Fine Kenneth D.
Fine Taresa A.
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