Building units and construction elements – Stair – ladder – scaffold – or similar support – Element or attachment
Design Patent
2001-03-16
2002-05-21
Clark, Doris (Department: 2914)
Building units and construction elements
Stair, ladder, scaffold, or similar support
Element or attachment
Design Patent
active
D0457651
CLAIM:
The ornamental design for a ladder safety hoop, as shown.
REFERENCES:
patent: D322485 (1991-12-01), Leeland
patent: 5507362 (1996-04-01), Krueger
Clark Doris
Jensen Roger W.
Safety Brace, Inc.
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