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William G. West
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Eden Prairie, MN, US
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last 30 patents
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Patent Application
Valve manifold assembly
Publication number
20070113575
Publication date
May 24, 2007
Ritchie Engineering Company, Inc.
Robert Borre
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Vacuum pump
Publication number
20060228242
Publication date
Oct 12, 2006
Ritchie Engineering Company, Inc.
William G. West
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Vacuum pump
Publication number
20060228246
Publication date
Oct 12, 2006
Ritchie Engineering Company, Inc.
William G. West
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES