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Guide rail
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Patent number 8,544,389
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Issue date Oct 1, 2013
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Mitsubishi Heavy Industries, Ltd.
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Hiroyuki Kono
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Gear switch for a conveyor assembly
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Patent number 8,186,278
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Issue date May 29, 2012
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Industrial Design Fabrication & Installation, Inc.
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Todd Jager
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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-
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3611946
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Patent number 3,611,946
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Issue date Oct 12, 1971
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B66 - HOISTING LIFTING HAULING
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3073259
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Patent number 3,073,259
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Issue date Jan 15, 1963
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2949862
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Patent number 2,949,862
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Issue date Aug 23, 1960
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B61 - RAILWAYS
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2940401
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Patent number 2,940,401
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Issue date Jun 14, 1960
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B61 - RAILWAYS
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1875966
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Patent number 1,875,966
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Issue date Sep 6, 1932
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES