Ventilating water closet
United States Patent 1582748

Inventors:
Haring, Ulysses G.
Sutter, Edgar E.
Ralph, Haring
Publication Date:
04/27/1926
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Assignee:
Haring, Ulysses G.
Sutter, Edgar E.
Ralph, Haring
Primary Class:
4/215
International Classes:
E03D9/05; E03D9/052; E03D9/04