Roofing and ventilated roof structure
United States Patent 2214183

Inventors:
Seymour, Herman L.
Publication Date:
09/10/1940
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Assignee:
CAREY PHILIP MFG CO
Primary Class:
52/95
Other Classes:
52/199, 52/277, 454/365, 52/96
International Classes:
E04D13/17; E04D13/00