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Walter Aldaz
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Kuala Lumpur, MY
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last 30 patents
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Patent Grant
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Patent number
7,357,189
Issue date
Apr 15, 2008
Weatherford/Lamb, Inc.
Walter Aldaz
E21 - EARTH DRILLING MINING
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last 30 patents
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Publication number
20050016740
Publication date
Jan 27, 2005
Walter Aldaz
E21 - EARTH DRILLING MINING