Title:
Edge section for flat roofs with internal drainage
United States Patent 3389515
Inventors:
Otto, Hellebrand
Publication Date:
06/25/1968
Export Citation:
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Primary Class:
52/94
Other Classes:
52/96
International Classes:
E04D13/155; E04D13/15
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US Patent References:
3100951Combination water dam and gravel stop
3093931Gravel stop and building assembly employing the same