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Rail-lifting implement
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Patent number 4,002,320
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Issue date Jan 11, 1977
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Walter Weber
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3905300
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Patent number 3,905,300
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Issue date Sep 16, 1975
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3675580
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Patent number 3,675,580
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Issue date Jul 11, 1972
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3461810
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Patent number 3,461,810
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Issue date Aug 19, 1969
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3192871
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Patent number 3,192,871
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Issue date Jul 6, 1965
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2762313
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Patent number 2,762,313
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Issue date Sep 11, 1956
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2147527
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Patent number 2,147,527
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Issue date Feb 14, 1939
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1971785
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Patent number 1,971,785
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Issue date Aug 28, 1934
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1925203
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Patent number 1,925,203
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Issue date Sep 5, 1933
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1849178
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Patent number 1,849,178
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Issue date Mar 15, 1932
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1804301
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Patent number 1,804,301
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Issue date May 5, 1931
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1663061
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Patent number 1,663,061
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Issue date Mar 20, 1928
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1341912
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Patent number 1,341,912
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Issue date Jun 1, 1920
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES