Title:
Pump or motor
United States Patent 1615140

Inventors:
Joseph, Rusdell William
Publication Date:
01/18/1927
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Assignee:
Joseph, Rusdell William
Primary Class:
417/256
Other Classes:
417/488, 417/257
International Classes:
F04B3/00; F04B9/04; F04B43/00; F04B53/12; F04B9/02; F04B53/10