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Mike Johnson
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Odessa, TX, US
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last 30 patents
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Patent Grant
Retrievable pre-milled window with deflector
Patent number
6,923,274
Issue date
Aug 2, 2005
Weatherford/Lamb, Inc.
Ken Dale Rodgers
E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
Retrievable pre-milled window with deflector
Publication number
20040129458
Publication date
Jul 8, 2004
Ken Dale Rodgers
E21 - EARTH DRILLING MINING