US Patent 7178635 Elevator control having independent safety circuits
Patent 7178635 was granted and assigned to Thyssenkrupp Elevator on February, 2007 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
October 24, 2005
Date of Patent
February 20, 2007
Patent Application Number
11258594
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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