Title:
Pumping device
United States Patent 2812716
Inventors:
Gray, Donald E.
Publication Date:
11/12/1957
Export Citation:
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Assignee:
Gray, Donald E.
Primary Class:
417/389
Other Classes:
92/92, 128/DIG.3, 184/29, 417/426, 600/16, 604/153
International Classes:
F04B43/08; F04B43/107; F04B43/00
View Patent Images:
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US Patent References:
2405734Pumping apparatus
2345693Fluid pumping or feeding device
2046491Fuel supply system
Foreign References:
GB189007172A
AU109023B
GB287267A
GB305235A