Title:
Roofing material
United States Patent 1920931


Inventors:
Dozier, Finley
Application Number:
US42904030A
Publication Date:
08/01/1933
Filing Date:
02/17/1930
Assignee:
PARAFFINE CO INC
Primary Class:
Other Classes:
52/315, 428/328, 428/624, 428/674, 428/927
International Classes:
D21J1/08
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