Building units and construction elements – Architectural stock material – Construction block or brick type
Patent
1992-08-27
1993-10-26
Word, A. Hugo
Building units and construction elements
Architectural stock material
Construction block or brick type
Patent
active
D03407764
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Armijo Dennis F.
Clark Doris
CSTW, Inc.
Peacock Deborah A.
Word A. Hugo
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