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Track for driverless vehicles
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Patent number 4,515,084
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Issue date May 7, 1985
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SI Handling Systems, Inc.
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Charles E. Jacoby
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3837290
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Patent number 3,837,290
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Issue date Sep 24, 1974
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B61 - RAILWAYS
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3435782
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Patent number 3,435,782
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Issue date Apr 1, 1969
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B61 - RAILWAYS
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3126839
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Patent number 3,126,839
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Issue date Mar 31, 1964
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3065714
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Patent number 3,065,714
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Issue date Nov 27, 1962
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B61 - RAILWAYS
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2772639
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Patent number 2,772,639
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Issue date Dec 4, 1956
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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2591680
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Patent number 2,591,680
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Issue date Apr 8, 1952
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B61 - RAILWAYS
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2124485
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Patent number 2,124,485
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Issue date Jul 19, 1938
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B61 - RAILWAYS
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2120066
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Patent number 2,120,066
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Issue date Jun 7, 1938
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B61 - RAILWAYS
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1785811
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Patent number 1,785,811
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Issue date Dec 23, 1930
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B61 - RAILWAYS
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1772727
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Patent number 1,772,727
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Issue date Aug 12, 1930
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B61 - RAILWAYS