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Smart train
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Patent number 11,301,648
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Issue date Apr 12, 2022
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International Business Machines Corporation
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Gregg M. Arquero
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G06 - COMPUTING CALCULATING COUNTING
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3156055
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Patent number 3,156,055
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Issue date Nov 10, 1964
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B61 - RAILWAYS
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2947101
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Patent number 2,947,101
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Issue date Aug 2, 1960
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B61 - RAILWAYS
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2928196
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Patent number 2,928,196
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Issue date Mar 15, 1960
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B61 - RAILWAYS
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2766540
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Patent number 2,766,540
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Issue date Oct 16, 1956
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B61 - RAILWAYS
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2575174
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Patent number 2,575,174
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Issue date Nov 13, 1951
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B61 - RAILWAYS
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2544337
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Patent number 2,544,337
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Issue date Mar 6, 1951
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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2541222
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Patent number 2,541,222
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Issue date Feb 13, 1951
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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2502829
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Patent number 2,502,829
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Issue date Apr 4, 1950
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B61 - RAILWAYS
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2448900
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Patent number 2,448,900
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Issue date Sep 7, 1948
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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2414820
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Patent number 2,414,820
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Issue date Jan 28, 1947
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B61 - RAILWAYS
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2313450
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Patent number 2,313,450
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Issue date Mar 9, 1943
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B61 - RAILWAYS
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2240837
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Patent number 2,240,837
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Issue date May 6, 1941
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B61 - RAILWAYS
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2188621
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Patent number 2,188,621
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Issue date Jan 30, 1940
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B61 - RAILWAYS
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2158644
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Patent number 2,158,644
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Issue date May 16, 1939
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B61 - RAILWAYS
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2122855
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Patent number 2,122,855
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Issue date Jul 5, 1938
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B61 - RAILWAYS
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2118280
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Patent number 2,118,280
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Issue date May 24, 1938
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B61 - RAILWAYS
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2108718
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Patent number 2,108,718
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Issue date Feb 15, 1938
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B61 - RAILWAYS