Vapor resisting roof structure
United States Patent 2872882

Inventors:
Paul, Robert E.
Publication Date:
02/10/1959
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Assignee:
MINNESOTA AND ONTARIO PAPER CO
Primary Class:
52/408
Other Classes:
52/478, 52/393
International Classes:
E04D3/35; E04D13/16
US Patent References:
2278146Composite panel board
2754776Roof construction
2785099Fire resisting insulating material and building construction embodying the same
2808624Panels and connector therefor
Foreign References:
FR976137A