Venturi siphon
United States Patent 2131743

Inventors:
Loughridge, Matthew H.
Publication Date:
10/04/1938
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Assignee:
Loughridge, Matthew H.
Primary Class:
137/131
Other Classes:
251/48, 251/11, 137/624.110, 137/148, 137/397, 137/143, 47/62R, 137/398, 137/151
International Classes:
F04F10/00