Building units and construction elements – Architectural stock material – Construction block or brick type
Design Patent
2005-02-15
2005-02-15
Delehanty, Robert A (Department: 2914)
Building units and construction elements
Architectural stock material
Construction block or brick type
Design Patent
active
D0501935
CLAIM:
The ornamental design for a wall block, as shown and described.
REFERENCES:
patent: 751346 (1904-02-01), Schall
patent: 1526730 (1925-02-01), Zottoll
patent: D296365 (1988-06-01), Forsberg
patent: 20040028484 (2004-02-01), Woolford
Dawson William B.
MacDonald Robert A.
Delehanty Robert A
Keystone Retaining Wall & Systems, Inc.
Popovich, Wiles & O'Connell , P.A.
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