Building units and construction elements – Architectural stock material – Extruded shape
Patent
1997-05-08
1998-04-28
Clark, Doris
Building units and construction elements
Architectural stock material
Extruded shape
2501
Patent
active
D03939081
REFERENCES:
patent: D266949 (1982-11-01), Goldhaber
patent: D363797 (1995-10-01), Bancroft
Clark Doris
EMCO Enterprises, Inc.
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