Building units and construction elements – Architectural stock material – Construction block or brick type
Patent
1995-07-19
1999-01-12
Barkai, Raphael
Building units and construction elements
Architectural stock material
Construction block or brick type
2501
Patent
active
D04041461
REFERENCES:
patent: D299067 (1988-12-01), Forsberg
patent: D314240 (1991-01-01), Scheiwiller
patent: D317048 (1991-05-01), Forsberg
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
G. P. Industries, Inc.
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