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Locknut system
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Patent number 8,172,496
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Issue date May 8, 2012
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Wheelsure Technologies Limited
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David Daniel George Vile
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Wheel nut assembly
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Patent number 7,172,380
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Issue date Feb 6, 2007
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Wheelsure Technologies Limited
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John Sydney Lees
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Self-leveling support
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Patent number 6,837,339
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Issue date Jan 4, 2005
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Wheelsure Technologies Limited
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Sydney John Lees
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS