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Frederick John Underwood
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Storrington, GB
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last 30 patents
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Patent Grant
Rotary piston vacuum pump with washing installation
Patent number
7,819,646
Issue date
Oct 26, 2010
Edwards Limited
Mark Christopher Hope
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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last 30 patents
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Patent Application
Pumping apparatus
Publication number
20050123414
Publication date
Jun 9, 2005
Matthew Key
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES