US Patent 10906776 Work area technician warning system
Patent 10906776 was granted and assigned to Otis Elevator Company on February, 2021 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
August 30, 2017
Date of Patent
February 2, 2021
Patent Applicant
Patent Application Number
15691310
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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