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MAGNETIC FLUID ACTUATING PUMP
US 3,511,583 A
Filed
: 09/24/1968
Issued
: 05/12/1970
Est. Priority Date
: 09/24/1968
Status: Expired due to Term
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Current Assignee
Ralph R. Brown
Original Assignee
Ralph R. Brown
Inventors
Brown, Ralph R.
Application Number
US04/762,072
Time in Patent Office
595 Days
Field of Search
US Class Current
417/412
CPC Class Codes
F04B 43/09
Pumps having electric drive
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