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Mechanical joint
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Patent number 4,485,967
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Issue date Dec 4, 1984
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Lawrence K. Edwards
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3750946
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Patent number 3,750,946
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Issue date Aug 7, 1973
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3008644
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Patent number 3,008,644
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Issue date Nov 14, 1961
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2766938
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Patent number 2,766,938
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Issue date Oct 16, 1956
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2759676
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Patent number 2,759,676
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Issue date Aug 21, 1956
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2689091
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Patent number 2,689,091
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Issue date Sep 14, 1954
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2620986
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Patent number 2,620,986
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Issue date Dec 9, 1952
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2137918
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Patent number 2,137,918
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Issue date Nov 22, 1938
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2104856
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Patent number 2,104,856
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Issue date Jan 11, 1938
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2085885
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Patent number 2,085,885
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Issue date Jul 6, 1937
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2067695
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Patent number 2,067,695
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Issue date Jan 12, 1937
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1887252
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Patent number 1,887,252
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Issue date Nov 8, 1932
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1887063
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Patent number 1,887,063
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Issue date Nov 8, 1932
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1785810
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Patent number 1,785,810
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Issue date Dec 23, 1930
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1755920
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Patent number 1,755,920
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Issue date Apr 22, 1930
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1735586
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Patent number 1,735,586
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Issue date Nov 12, 1929
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1731596
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Patent number 1,731,596
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Issue date Oct 15, 1929
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1724581
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Patent number 1,724,581
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Issue date Aug 13, 1929
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1640791
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Patent number 1,640,791
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Issue date Aug 30, 1927
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1639969
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Patent number 1,639,969
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Issue date Aug 23, 1927
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1604849
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Patent number 1,604,849
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Issue date Oct 26, 1926
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1580738
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Patent number 1,580,738
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Issue date Apr 13, 1926
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1577228
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Patent number 1,577,228
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Issue date Mar 16, 1926
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES