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Tack spraying apparatus
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Patent number 7,118,047
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Issue date Oct 10, 2006
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Laddie L. James
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Tar heating and spraying apparatus
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Patent number 6,302,334
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Issue date Oct 16, 2001
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Politecnico Marco Fidel Suarez
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Julián Castaño Restrepo
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Floor coating machine
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Patent number 6,015,097
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Issue date Jan 18, 2000
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Theron A. VanPutten
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2974873
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Patent number 2,974,873
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Issue date Mar 14, 1961
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2506412
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Patent number 2,506,412
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Issue date May 2, 1950
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2344233
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Patent number 2,344,233
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Issue date Mar 14, 1944
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2210934
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Patent number 2,210,934
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Issue date Aug 13, 1940
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2044039
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Patent number 2,044,039
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Issue date Jun 16, 1936
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1876788
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Patent number 1,876,788
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Issue date Sep 13, 1932
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1804592
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Patent number 1,804,592
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Issue date May 12, 1931
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1768485
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Patent number 1,768,485
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Issue date Jun 24, 1930
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1725581
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Patent number 1,725,581
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Issue date Aug 20, 1929
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1490522
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Patent number 1,490,522
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Issue date Apr 15, 1924
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1421038
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Patent number 1,421,038
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Issue date Jun 27, 1922
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1397045
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Patent number 1,397,045
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Issue date Nov 15, 1921
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES