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Pavement marking material
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Patent number 5,906,889
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Issue date May 25, 1999
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Minnesota Mining and Manufacturing Company
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Gary R. Miron
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Pavement marking material
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Patent number 5,453,320
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Issue date Sep 26, 1995
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Minnesota Mining and Manufacturing Company
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James H. C. Harper
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES