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Active infrared presence sensor
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Patent number 6,710,346
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Issue date Mar 23, 2004
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International Business Machines Corporation
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James Gabriel Brewington
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G08 - SIGNALLING
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Staggered gear for bi-directional operation
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Patent number 6,684,743
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Issue date Feb 3, 2004
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International Business Machines Corporation
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James Gabriel Brewington
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Tilt hinge
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Patent number 6,446,308
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Issue date Sep 10, 2002
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International Business Machines Corporation
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James Gabriel Brewington
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G06 - COMPUTING CALCULATING COUNTING
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Two way wrap spring clutch gear
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Patent number 6,116,797
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Issue date Sep 12, 2000
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International Business Machines Corporation
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James Gabriel Brewington
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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Double acting roller/ball clutch gear
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Patent number 6,070,706
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Issue date Jun 6, 2000
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International Business Machines Corporation
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James Gabriel Brewington
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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