Title:
Adjustable volume control pump and two-stage pump
Document Type and Number:
United States Patent 2261471
Inventors:
Hull, Edwin J.
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Publication Date:
11/04/1941
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Export Citation:
Assignee:
Ross, Treer B.
Primary Class:
Other Classes:
92/60.500, 417/506, 417/265, 417/501
International Classes:
F01B3/02; F04B1/14; F04B7/04; F04B49/12; F01B3/00; F04B1/12; F04B7/00