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Pavement removal machine
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Patent number 7,357,595
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Issue date Apr 15, 2008
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Road Processing Resources, Inc.
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Deems M. Pfaff
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Hammer for breaking concrete
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Patent number 7,175,236
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Issue date Feb 13, 2007
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Road Processing Resources, Inc.
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Deems M. Pfaff
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B28 - WORKING CEMENT, CLAY, OR STONE
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Precast concrete pipe recycling machine
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Patent number 7,037,041
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Issue date May 2, 2006
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Road Processing Resources, Inc.
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Deems M. Pfaff
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B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL