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Wheel sensor
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Patent number 8,590,845
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Issue date Nov 26, 2013
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Siemens Aktiengesellschaft
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Rainer Freise
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B61 - RAILWAYS
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Railway wheel sensor
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Patent number 7,481,400
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Issue date Jan 27, 2009
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Portec, Rail Products Ltd.
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Glen Appleby
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B61 - RAILWAYS
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3731067
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Patent number 3,731,067
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Issue date May 1, 1973
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B61 - RAILWAYS
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3646510
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Patent number 3,646,510
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Issue date Feb 29, 1972
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B61 - RAILWAYS
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3646327
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Patent number 3,646,327
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Issue date Feb 29, 1972
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B61 - RAILWAYS
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3646328
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Patent number 3,646,328
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Issue date Feb 29, 1972
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B61 - RAILWAYS