US Patent 7437605 Hot standby method and apparatus
Patent 7437605 was granted and assigned to Union Switch & Signal on October, 2008 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
September 9, 2003
Date of Patent
October 14, 2008
Patent Application Number
10526951
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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