Building units and construction elements – Prefabricated unit – Closure
Patent
1996-03-27
1998-05-05
Clark, Doris
Building units and construction elements
Prefabricated unit
Closure
2502
Patent
active
D03941159
REFERENCES:
patent: D299544 (1989-01-01), Nolan
patent: 1804741 (1931-05-01), Butzbach
Bruchu Todd W.
Plummer David D.
Andersen Corporation
Clark Doris
LandOfFree
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