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Tim Dallas
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Houston, TX, US
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last 30 patents
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Patent Grant
Method for drilling under rivers and other obstacles
Patent number
6,588,116
Issue date
Jul 8, 2003
Gyrodata, Inc.
Tim Dallas
E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
Method for drilling under rivers and other obstacles
Publication number
20020056201
Publication date
May 16, 2002
Tim Dallas
E21 - EARTH DRILLING MINING