Building units and construction elements – Prefabricated unit – Closure
Patent
1998-10-06
2000-05-02
Clark, Doris
Building units and construction elements
Prefabricated unit
Closure
2502
Patent
active
D04242092
REFERENCES:
patent: D328795 (1992-08-01), Yamaguchi et al.
patent: D363557 (1995-10-01), Lingdren et al.
patent: 4986039 (1991-01-01), Weisner
patent: 5581942 (1996-12-01), Sill et al.
Installation instructions for roof window, VELUX GGL, 1996.
Clark Doris
Velux Industri A/S
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