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William D. Ritchie
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Cults, GB
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last 30 patents
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Patent Grant
Pressure control system for a wet connect/disconnect hydraulic cont...
Patent number
6,755,253
Issue date
Jun 29, 2004
Baker Hughes Incorporated
Robert C. Smith
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
Pressure control system for a wet connect/disconnect hydraulic cont...
Publication number
20030173077
Publication date
Sep 18, 2003
Robert C. Smith
E21 - EARTH DRILLING MINING