Pump apparatus
United States Patent 3270672

Inventors:
Haines, Robert M.
Klass, Donald L.
Martinek, Thomas W.
Publication Date:
09/06/1966
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Assignee:
UNION OIL CO
Primary Class:
417/322
Other Classes:
310/331, 367/160, 417/339
International Classes:
F04B17/00; H01L41/09
US Patent References:
3135208Magnetohydrodynamic pump
3150592Piezoelectric pump