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Steve Barton
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Aldbourne, GB
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Patents Grants
last 30 patents
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Patent Grant
Cutting structure for earth boring drill bits
Patent number
6,484,822
Issue date
Nov 26, 2002
Camco International (UK) Limited
Dean Watson
E21 - EARTH DRILLING MINING
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Patent Grant
Cutting structure for earth boring drill bits
Patent number
6,484,825
Issue date
Nov 26, 2002
Camco International (UK) Limited
Dean Watson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Active gauge cutting structure for earth boring drill bits
Patent number
6,427,792
Issue date
Aug 6, 2002
Camco International (UK) Limited
Tom Roberts
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
Cutting structure for earth boring drill bits
Publication number
20020100617
Publication date
Aug 1, 2002
Dean Watson
E21 - EARTH DRILLING MINING
Information
Patent Application
Cutting structure for earth boring drill bits
Publication number
20020100618
Publication date
Aug 1, 2002
Dean Watson
E21 - EARTH DRILLING MINING