Building units and construction elements – Prefabricated unit – Closure
Patent
1996-09-06
1997-12-02
Clark, Doris
Building units and construction elements
Prefabricated unit
Closure
2502
Patent
active
D03871797
REFERENCES:
patent: D334809 (1993-04-01), Davlantes
patent: 4908987 (1990-03-01), Dickson et al.
patent: 5287654 (1994-02-01), Davlantes
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