Building units and construction elements – Architectural stock material – Construction block or brick type
Patent
1999-11-30
2000-08-08
Zarfas, Louis S.
Building units and construction elements
Architectural stock material
Construction block or brick type
2501
Patent
active
D04293452
REFERENCES:
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patent: 4099887 (1978-07-01), Mackenroth
patent: 5283994 (1994-02-01), Callison
patent: 5887399 (1999-03-01), Shaw et al.
"Solid Cap-Ground Face & Top", Anchor product, buyline 6518, Sweet's General Building & Renovation Catalog File, 1993.
Delehanty Robert A.
Zarfas Louis S,.
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