Building units and construction elements – Prefabricated unit – Finishing unit
Patent
1986-09-30
1989-11-07
Word, A. Hugo
Building units and construction elements
Prefabricated unit
Finishing unit
D25157, D25158
Patent
active
D03044980
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Lorenzen John M.
Robinson Robert H.
USG Interiors, Inc.
Word A. Hugo
Worthem, Jr. A. Lewis
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