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Spiker roller
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Patent number 9,918,421
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Issue date Mar 20, 2018
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TRU-TURF PTY LTD.
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Raymond Jeffrey Dufty
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Roller cleaning assembly
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Patent number 8,499,849
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Issue date Aug 6, 2013
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Tru Turf Pty Ltd
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Raymond Jeffrey Dufty
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Roller assembly
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Patent number 7,997,826
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Issue date Aug 16, 2011
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Tru-Turf Pty Ltd
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Raymond Jeffrey Dufty
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Trailer
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Patent number 7,556,466
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Issue date Jul 7, 2009
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Tru-Turf Pty Ltd
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Raymond J. Dufty
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS