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Michael E. IDEN
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Kildeer, IL, US
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last 30 patents
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Patent Grant
Air baffles in railroad tunnels for decreased airflow therein and i...
Patent number
9,004,994
Issue date
Apr 14, 2015
Union Pacific Railroad Company
Michael E. Iden
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
AIR BAFFLES IN RAILROAD TUNNELS FOR DECREASED AIRFLOW THEREIN AND I...
Publication number
20130178143
Publication date
Jul 11, 2013
Union Pacific Railroad Company
Michael E. IDEN
E21 - EARTH DRILLING MINING