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Burner system
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Patent number 4,657,503
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Issue date Apr 14, 1987
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Thorpe Corporation
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Merle L. Thorpe
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Method of sealing bridge deck joints
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Patent number 4,324,504
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Issue date Apr 13, 1982
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Thormack Sealants Limited
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Richard L. Cottingham
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3764223
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Patent number 3,764,223
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Issue date Oct 9, 1973
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3490066
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Patent number 3,490,066
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Issue date Jan 13, 1970
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3300253
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Patent number 3,300,253
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Issue date Jan 24, 1967
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B28 - WORKING CEMENT, CLAY, OR STONE
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3043200
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Patent number 3,043,200
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Issue date Jul 10, 1962
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2532994
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Patent number 2,532,994
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Issue date Dec 5, 1950
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1950169
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Patent number 1,950,169
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Issue date Mar 6, 1934
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES