Building units and construction elements – Prefabricated unit – Closure
Patent
1996-07-17
1997-10-07
Clark, Doris
Building units and construction elements
Prefabricated unit
Closure
2502
Patent
active
D03847527
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Brown David C.
Scherer Craig S.
Thuma Michael C.
BRK Brands, Inc.
Clark Doris
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