Building units and construction elements – Architectural stock material – Construction block or brick type
Design Patent
2007-12-04
2007-12-04
Delehanty, Robert A. (Department: 2914)
Building units and construction elements
Architectural stock material
Construction block or brick type
Design Patent
active
29266092
CLAIM:
I claim the ornamental design for a stackable wall block, as shown.
REFERENCES:
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patent: D363787 (1995-10-01), Powell
patent: 5827015 (1998-10-01), Woolford et al.
patent: D457656 (2002-05-01), Bilka
patent: 6682269 (2004-01-01), Price et al.
patent: D539438 (2007-03-01), Price
Delehanty Robert A.
Mortarless Technologies LLC
Patterson Thuente Skaar & Christensen P.A.
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