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Accessory drive for driving a balance shaft
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Patent number 7,070,526
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Issue date Jul 4, 2006
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Perkins Engines Company Limited
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Howard J. Lawrence
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Balance shaft assembly
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Patent number 6,971,361
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Issue date Dec 6, 2005
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Caterpillar, Inc.
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Howard J. Lawrence
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Drive for one or more engine accessories
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Patent number 6,840,208
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Issue date Jan 11, 2005
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Perkins Engines Company Limited
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Howard J. Lawrence
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Circuit board
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Patent number 5,105,340
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Issue date Apr 14, 1992
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BICC Public Limited Company
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Howard Lawrence
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G06 - COMPUTING CALCULATING COUNTING