Building units and construction elements – Prefabricated unit – Closure
Patent
1996-06-04
1997-08-12
Clark, Doris
Building units and construction elements
Prefabricated unit
Closure
2502
Patent
active
D03823474
REFERENCES:
patent: D328795 (1992-08-01), Yamaguchi et al.
patent: 5027566 (1991-07-01), Gilowski
patent: 5175967 (1993-01-01), Greenwood
Clark Doris
Sunlight Systems, Inc.
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