Building units and construction elements – Architectural stock material – Construction block or brick type
Patent
1998-11-04
2000-03-28
Barkai, Raphael
Building units and construction elements
Architectural stock material
Construction block or brick type
2501
Patent
active
D04220927
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patent: 860565 (1907-07-01), Peetz
patent: 3766699 (1973-10-01), Dinkel
patent: 5337527 (1994-08-01), Wagenaar
patent: 5353569 (1994-10-01), Rodrique
patent: 5361557 (1994-11-01), Snyder et al.
patent: 5465544 (1995-11-01), Ghahary
Barkai Raphael
Surebond, Inc.
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