Building units and construction elements – Architectural stock material – Construction block or brick type
Design Patent
2007-11-20
2007-11-20
Delehanty, Robert A. (Department: 2914)
Building units and construction elements
Architectural stock material
Construction block or brick type
Design Patent
active
29266962
CLAIM:
The ornamental design for a mortarless retaining wall block, as shown and described.
REFERENCES:
patent: D435302 (2000-12-01), Blomquist et al.
patent: D466619 (2002-12-01), Britton
patent: D530435 (2006-10-01), Collison et al.
patent: D538947 (2007-03-01), Price
patent: D540954 (2007-04-01), Bouchard
Briggs and Morgan P.A.
Delehanty Robert A.
Helget Gerald E.
Kiltie Corporation
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