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Switch for track of maglev train
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Patent number 12,084,815
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Issue date Sep 10, 2024
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CRRC Qingdao Sifang Co., Ltd.
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Sansan Ding
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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-
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Universal slide-plate
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Patent number 10,106,933
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Issue date Oct 23, 2018
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Narstco, Inc.
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Sean Keightley
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Track switch
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Patent number 4,336,757
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Issue date Jun 29, 1982
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Ellis I. Toder
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3927619
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Patent number 3,927,619
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Issue date Dec 23, 1975
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3913492
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Patent number 3,913,492
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Issue date Oct 21, 1975
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3905302
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Patent number 3,905,302
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Issue date Sep 16, 1975
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3046909
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Patent number 3,046,909
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Issue date Jul 31, 1962
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2948497
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Patent number 2,948,497
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Issue date Aug 9, 1960
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2887067
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Patent number 2,887,067
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Issue date May 19, 1959
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2551951
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Patent number 2,551,951
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Issue date May 8, 1951
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2294793
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Patent number 2,294,793
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Issue date Sep 1, 1942
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2138962
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Patent number 2,138,962
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Issue date Dec 6, 1938
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1669741
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Patent number 1,669,741
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Issue date May 15, 1928
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1632557
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Patent number 1,632,557
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Issue date Jun 14, 1927
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1440754
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Patent number 1,440,754
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Issue date Jan 2, 1923
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1417964
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Patent number 1,417,964
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Issue date May 30, 1922
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1399289
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Patent number 1,399,289
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Issue date Dec 6, 1921
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1388700
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Patent number 1,388,700
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Issue date Aug 23, 1921
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1364315
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Patent number 1,364,315
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Issue date Jan 4, 1921
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1341320
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Patent number 1,341,320
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Issue date May 25, 1920
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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784037
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Patent number 784,037
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Issue date Mar 7, 1905
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES