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Roadway deicing system
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Patent number 6,270,020
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Issue date Aug 7, 2001
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Energy Absorption Systems, Inc.
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Jeffrey M. Thompson
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Roadside barrier
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Patent number 5,425,594
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Issue date Jun 20, 1995
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Energy Absorption Systems, Inc.
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William G. Krage
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES