Building units and construction elements – Architectural stock material – Extruded shape
Patent
1995-10-19
1997-07-08
Clark, Doris
Building units and construction elements
Architectural stock material
Extruded shape
2501
Patent
active
D03808416
REFERENCES:
patent: D307944 (1990-05-01), Westphal et al.
patent: D334434 (1993-03-01), Cole
patent: 4689833 (1987-09-01), Biro
Clark Doris
Dominion Plastics Inc.
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