Building units and construction elements – Architectural stock material – Panel – tile or applique or floor – wall – roof – etc.
Patent
1998-06-15
2000-04-11
Clark, Doris
Building units and construction elements
Architectural stock material
Panel, tile or applique or floor, wall, roof, etc.
2501
Patent
active
D04227190
REFERENCES:
patent: D256954 (1980-09-01), Morita
patent: 1974047 (1934-09-01), Harshberger
Belt James S.
Wilgus Frank A.
Wilgus Frank R.
Clark Doris
Eckert Inger H.
Owens Corning Fiberglas Technology Inc.
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