Building units and construction elements – Prefabricated unit – Closure
Patent
1995-03-08
1996-10-15
Clark, Doris
Building units and construction elements
Prefabricated unit
Closure
Patent
active
D03747247
REFERENCES:
patent: D326528 (1992-05-01), Klein
patent: 624565 (1899-05-01), Steward, Jr. et al.
patent: 5042212 (1991-08-01), Golen
patent: 5077940 (1992-01-01), LaRose, Jr.
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