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Seal
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Patent number 10,520,090
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Issue date Dec 31, 2019
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Redseal Limited
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Martin McKenzie
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E21 - EARTH DRILLING MINING
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Seal
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Patent number 9,765,889
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Issue date Sep 19, 2017
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Redseal Limited
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Martin McKenzie
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E21 - EARTH DRILLING MINING
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Seal
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Patent number 9,097,348
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Issue date Aug 4, 2015
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Redseal Limited
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Martin McKenzie
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Removal of magnetic particles from a fluid
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Patent number 8,999,159
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Issue date Apr 7, 2015
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Romar International Limited
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Martin Stewart McKenzie
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...