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Mateiu J. Oana
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Youngstown, OH, US
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last 30 patents
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Patent Grant
Rotary impeller pump or motor with counterbalancing chamber in thru...
Patent number
4,337,018
Issue date
Jun 29, 1982
Commercial Shearing, Inc.
Carl M. Singer
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...