Adjustable ladder leveling extension

Building units and construction elements – Stair – ladder – scaffold – or similar support – Element or attachment

Design Patent

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Details

Design Patent

active

D0507836

CLAIM:
I claim the ornamental design for an adjustable ladder leveling extension, as shown.

REFERENCES:
patent: D380277 (1997-06-01), Bonn et al.
patent: 5941343 (1999-08-01), Kelsey

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