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Electric motor driven pump
US 2,809,590 A
Filed
: 01/29/1954
Issued
: 10/15/1957
Est. Priority Date
: 01/29/1954
Status: Expired due to Term
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Current Assignee
Robert J. Brown
Original Assignee
Robert J. Brown
Inventors
Brown, Robert J.
Application Number
US03/406,959
Time in Patent Office
1,355 Days
Field of Search
US Class Current
417/357
CPC Class Codes
F04D 13/0613
Special connection between ...
F04D 29/0416
balancing pistons
F05D 2240/61
Hollow
H02K 5/1285
of the submersible type
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