Title:
Toilet venting device
United States Patent 2203111

Inventors:
Stebbing, Percy H.
Wallace, Leon L.
Publication Date:
06/04/1940
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Assignee:
Stebbing, Percy H.
Wallace, Leon L.
Primary Class:
Other Classes:
200/61.58R
International Classes:
E03D9/05; E03D9/052; E03D11/02; E03D9/04