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Downhole tool and method
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Patent number 7,430,153
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Issue date Sep 30, 2008
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Maxwell Downhole Technology Ltd.
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Simon Benedict Fraser
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E21 - EARTH DRILLING MINING
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Insulating device and assembly
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Patent number 7,387,167
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Issue date Jun 17, 2008
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Maxwell Downhole Technology, Ltd
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Simon Benedict Fraser
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Reciprocating running tool
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Patent number 6,345,669
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Issue date Feb 12, 2002
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Omega Completion Technology Limited
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Mark Buyers
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E21 - EARTH DRILLING MINING
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Safety module
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Patent number 5,811,894
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Issue date Sep 22, 1998
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Mark Buyers
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F42 - AMMUNITION BLASTING