Title:
Insulated tile unit and structure
United States Patent 2097892
Inventors:
Powell, Edward R.
Publication Date:
11/02/1937
Export Citation:
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Assignee:
Powell, Edward R.
Primary Class:
52/396.09
Other Classes:
52/405.1, 52/600, 52/603
International Classes:
E04C2/288; E04C2/26
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