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Aggregate material spreader
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Patent number 5,234,128
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Issue date Aug 10, 1993
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Francis K. Hill
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Salt and/or gravel spreader
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Patent number 4,387,855
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Issue date Jun 14, 1983
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Niels J. O. Nielsen
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Chip spreader
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Patent number 4,363,447
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Issue date Dec 14, 1982
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Clayton E. Schulze
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3735904
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Patent number 3,735,904
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Issue date May 29, 1973
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3606964
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Patent number 3,606,964
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Issue date Sep 21, 1971
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3233786
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Patent number 3,233,786
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Issue date Feb 8, 1966
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2851175
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Patent number 2,851,175
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Issue date Sep 9, 1958
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2763502
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Patent number 2,763,502
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Issue date Sep 18, 1956
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B60 - VEHICLES IN GENERAL
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2692142
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Patent number 2,692,142
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Issue date Oct 19, 1954
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2238788
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Patent number 2,238,788
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Issue date Apr 15, 1941
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2152259
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Patent number 2,152,259
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Issue date Mar 28, 1939
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B60 - VEHICLES IN GENERAL
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2055504
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Patent number 2,055,504
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Issue date Sep 29, 1936
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2006473
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Patent number 2,006,473
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Issue date Jul 2, 1935
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1966122
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Patent number 1,966,122
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Issue date Jul 10, 1934
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1872841
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Patent number 1,872,841
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Issue date Aug 23, 1932
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1722305
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Patent number 1,722,305
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Issue date Jul 30, 1929
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1454575
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Patent number 1,454,575
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Issue date May 8, 1923
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1363185
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Patent number 1,363,185
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Issue date Dec 21, 1920
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES