Building units and construction elements – Architectural stock material
Patent
1996-10-21
1997-12-02
Clark, Doris
Building units and construction elements
Architectural stock material
2501
Patent
active
D03871819
REFERENCES:
patent: D336524 (1993-06-01), White et al.
patent: 4762438 (1988-08-01), Dewing
Clark Doris
GNR Technologies Inc.
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