Title:
Tile
Document Type and Number:
United States Patent 2292444


Inventors:
Osborne, Haydon
Finefrock, Thompson P.
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Publication Date:
08/11/1942
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Assignee:
CELOTEX CORP
Primary Class:
Other Classes:
181/284, D25/158, 264/259, 264/42, 52/145
International Classes:
E04C2/04; E04F13/14




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