Building units and construction elements – Architectural stock material – Extruded shape
Patent
1993-08-02
1995-01-24
Clark, Doris
Building units and construction elements
Architectural stock material
Extruded shape
Patent
active
D03548201
REFERENCES:
patent: D335932 (1993-05-01), Cole
patent: 4333283 (1982-06-01), Ebata
patent: 4411111 (1983-10-01), Hosooka
patent: 5189841 (1993-03-01), Arbetter
Clark Doris
Wiggins Macdonald J.
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