Roofing
United States Patent 1335756

Inventors:
Merrill, Scarff Truman
Publication Date:
04/06/1920
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Assignee:
Merrill, Scarff Truman
Primary Class:
52/394
Other Classes:
411/915, 52/553, 248/216.100, 411/923
International Classes:
E04D1/18; E04D13/04; E04D1/12