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Signal light assembly
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Patent number 11,077,872
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Issue date Aug 3, 2021
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SIEMENS MOBILITY, INC.
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Richard C. Bohme
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F21 - LIGHTING
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Level crossing light panel
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Patent number 9,664,367
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Issue date May 30, 2017
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Siemens Industry, Inc.
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Leonard Wydotis
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H01 - BASIC ELECTRIC ELEMENTS
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Distributive retarder test device
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Patent number 6,216,525
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Issue date Apr 17, 2001
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AAA Sales & Engineering, Inc.
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John J. Bernd
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...