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Reinforced elastomer products
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Patent number 4,524,174
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Issue date Jun 18, 1985
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Watson Bowman Associates
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Stewart C. Watson
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Reinforced elastomer products
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Patent number 4,473,680
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Issue date Sep 25, 1984
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Watson Bowman Associates, Inc.
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Stewart C. Watson
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Reinforced elastomer products
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Patent number 4,448,920
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Issue date May 15, 1984
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Watson Bowman Associates, Inc.
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Stewart C. Watson
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Reinforced elastomer products
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Patent number 4,305,172
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Issue date Dec 15, 1981
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Watson Bowman Associates, Inc.
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Stewart C. Watson
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Reinforced elastomer products
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Patent number 4,210,698
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Issue date Jul 1, 1980
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Watson Bowman Associates, Inc.
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Stewart C. Watson
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Expansion joint seal
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Patent number 4,022,538
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Issue date May 10, 1977
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Watson-Bowman Associates, Inc.
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Stewart C. Watson
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES