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Robert Allen Coker
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Foristell, MO, US
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last 30 patents
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Patent Grant
Methods and systems for mapping railroad tracks
Patent number
8,406,940
Issue date
Mar 26, 2013
General Electric Company
Tom Otsubo
B61 - RAILWAYS
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last 30 patents
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Patent Application
METHODS AND SYSTEMS FOR MAPPING RAILROAD TRACKS
Publication number
20090177401
Publication date
Jul 9, 2009
Tom Otsubo
B61 - RAILWAYS