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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 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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Rail spike cleaning apparatus
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Patent number 4,940,001
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Issue date Jul 10, 1990
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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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Anchor spreader apparatus and method
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Patent number 4,903,611
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Issue date Feb 27, 1990
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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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Railroad scrap pick up machine
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Patent number 4,478,152
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Issue date Oct 23, 1984
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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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