David Petersen

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San Francisco, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods and apparatus to collect wireless information
- Patent number 9,432,868
- Issue date Aug 30, 2016
- THE NIELSEN COMPANY (US), LLC
- David Petersen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and apparatus to collect wireless information
- Patent number 9,008,586
- Issue date Apr 14, 2015
- The Nielsen Company (U.S.), LLC
- David Petersen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and apparatus to collect wireless information
- Patent number 8,538,343
- Issue date Sep 17, 2013
- The Nielsen Company (U.S.), LLC
- David Petersen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for collecting wireless information transparently...
- Patent number 8,014,726
- Issue date Sep 6, 2011
- The Nielsen Company (U.S.), LLC
- David Petersen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHODS AND APPARATUS TO COLLECT WIRELESS INFORMATION
- Publication number 20150223091
- Publication date Aug 6, 2015
- THE NIELSEN COMPANY (US), LLC.
- David Petersen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND APPARATUS TO COLLECT WIRELESS INFORMATION
- Publication number 20140019203
- Publication date Jan 16, 2014
- David Petersen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHODS AND APPARATUS TO COLLECT WIRELESS INFORMATION
- Publication number 20110321035
- Publication date Dec 29, 2011
- David Petersen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and system for measuring cross technology wireless coverage
- Publication number 20080299910
- Publication date Dec 4, 2008
- TELEPHIA INCORPORATION
- David Petersen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Call results failure classifications
- Publication number 20080248795
- Publication date Oct 9, 2008
- TELEPHIA INCORPORATION
- David Petersen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE