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David MacFarlane
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Houston, TX, US
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last 30 patents
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Patent Grant
Nested stack-down casing hanger system for subsea wellheads
Patent number
6,640,902
Issue date
Nov 4, 2003
FMC Technologies, Inc.
Robert B. Baten
E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
Nested stack-down casing hanger system for subsea wellheads
Publication number
20030006041
Publication date
Jan 9, 2003
Robert B. Baten
E21 - EARTH DRILLING MINING