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Track work machine
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Patent number 5,709,001
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Issue date Jan 20, 1998
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Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H
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Hannes Felber
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Ballast shoulder cleaner
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Patent number 5,600,903
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Issue date Feb 11, 1997
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Knox Kershaw, Inc.
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Philip C. McCray
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Ballast broom with auger and method
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Patent number 5,579,553
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Issue date Dec 3, 1996
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Holley Engineering Company, Inc.
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John D. Holley
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Ballast shoulder cleaner
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Patent number 5,459,951
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Issue date Oct 24, 1995
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Knox Kershaw, Inc.
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Philip C. McCray
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Ballast planing machine
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Patent number 5,452,528
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Issue date Sep 26, 1995
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Franz Plasser Bahnbaumaschinen-industrieges m.b.H.
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Josef Theurer
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Ballast sweeper dust control
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Patent number 5,394,586
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Issue date Mar 7, 1995
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Holley Engineering Company, Inc.
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John D. Holley
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Track leveling and ballast tamping machine
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Patent number 4,794,862
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Issue date Jan 3, 1989
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Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H
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Josef Theurer
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3589298
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Patent number 3,589,298
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Issue date Jun 29, 1971
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES