Building units and construction elements – Architectural stock material – Panel – tile or applique or floor – wall – roof – etc.
Patent
1989-02-09
1990-12-25
Word, A. Hugo
Building units and construction elements
Architectural stock material
Panel, tile or applique or floor, wall, roof, etc.
Patent
active
D03132781
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Certain-Teed Corporation
Clark Doris
Word A. Hugo
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