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Michael Simpson
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Aberdeen, GB
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last 30 patents
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Patent Grant
Tubular transfer system
Patent number
6,705,414
Issue date
Mar 16, 2004
GlobalSantaFe Corporation
Michael Simpson
E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
Tubular transfer system
Publication number
20030159854
Publication date
Aug 28, 2003
Michael Simpson
E21 - EARTH DRILLING MINING