Building units and construction elements – Architectural stock material – Extruded shape
Patent
1997-07-15
1998-12-01
Clark, Doris
Building units and construction elements
Architectural stock material
Extruded shape
2501
Patent
active
D04020499
REFERENCES:
patent: D317050 (1991-05-01), Pavone et al.
patent: D371209 (1996-06-01), De Zen
Clark Doris
Smed International Inc.
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