ROOF DRAIN
United States Patent 3517813
US Patent References:
Roof leader connection
- - 1380793

Water runoff control construction
- - 2572208


Inventors:
Thaler, Kunibert
Publication Date:
06/30/1970
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Assignee:
Kunibert, Thaler
Primary Class:
210/166
International Classes:
E04D13/04; E03F1/00




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