Building units and construction elements – Prefabricated unit – Closure
Design Patent
2003-02-14
2004-05-25
Clark, Doris (Department: 2914)
Building units and construction elements
Prefabricated unit
Closure
Design Patent
active
D0490539
CLAIM:
The ornamental design for a security door, as shown and described.
REFERENCES:
patent: D341430 (1993-11-01), Cardona
patent: 5979137 (1999-11-01), Shoup
patent: D435668 (2000-12-01), Couey
patent: D463037 (2002-09-01), Hesley
Clark Doris
Heasley Richard
Stetina Brunda Garred & Brucker
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