US Patent 9002375 Presence detection based on crowd surfing signal strength
Patent 9002375 was granted and assigned to Groupon on April, 2015 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
March 15, 2013
0
Date of Patent
April 7, 2015
0
Patent Applicant
Patent Application Number
13841247
0
Patent Citations Received
Patent Inventor Names
Tuomas Artman
0
Ulf Schwekendiek
0
Yishai Lerner
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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