US Patent 7426981 Elevator wireless communication infrastructure using piconet modules
Patent 7426981 was granted and assigned to Otis Elevator Company on September, 2008 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
October 15, 2002
Date of Patent
September 23, 2008
Patent Application Number
10527974
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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