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Aggregate-spreading device
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Patent number 8,403,594
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Issue date Mar 26, 2013
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Duane A. Neumann
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Dump spreader
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Patent number 4,266,731
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Issue date May 12, 1981
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Air-Flo Manufacturing Co., Inc.
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Charles S. Musso
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B60 - VEHICLES IN GENERAL
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3441039
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Patent number 3,441,039
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Issue date Apr 29, 1969
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3398861
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Patent number 3,398,861
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Issue date Aug 27, 1968
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3326101
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Patent number 3,326,101
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Issue date Jun 20, 1967
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3286862
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Patent number 3,286,862
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Issue date Nov 22, 1966
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3013695
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Patent number 3,013,695
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Issue date Dec 19, 1961
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2458031
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Patent number 2,458,031
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Issue date Jan 4, 1949
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B60 - VEHICLES IN GENERAL
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2261934
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Patent number 2,261,934
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Issue date Nov 11, 1941
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2246644
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Patent number 2,246,644
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Issue date Jun 24, 1941
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2082673
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Patent number 2,082,673
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Issue date Jun 1, 1937
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1719770
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Patent number 1,719,770
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Issue date Jul 2, 1929
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1430975
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Patent number 1,430,975
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Issue date Oct 3, 1922
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1405316
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Patent number 1,405,316
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Issue date Jan 31, 1922
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES