Building units and construction elements – Architectural stock material – Extruded shape
Patent
1996-06-03
1997-07-01
Clark, Doris
Building units and construction elements
Architectural stock material
Extruded shape
2501
Patent
active
D03805611
REFERENCES:
patent: D363796 (1995-10-01), Hosseini
patent: 4715152 (1987-12-01), Tanikawa
patent: 5212921 (1993-05-01), Unruh
Clark Doris
Royal Extrusions Limited
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