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WAYNE CHANG
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AUSTIN, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus to visualize locations of radio frequency iden...
Patent number
10,592,951
Issue date
Mar 17, 2020
AT&T Intellectual Property I, L.P.
Wayne Chang
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus to visualize locations of radio frequency iden...
Patent number
9,898,770
Issue date
Feb 20, 2018
AT&T Intellectual Property I, L.P.
Wayne Chang
G02 - OPTICS
Information
Patent Grant
Method and apparatus to visualize locations of radio frequency iden...
Patent number
9,411,996
Issue date
Aug 9, 2016
AT&T Intellectual Property I, L.P.
Wayne Chang
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus to visualize locations of radio frequency iden...
Patent number
8,970,379
Issue date
Mar 3, 2015
AT&T Intellectual Property I, L.P.
Wayne Chang
G01 - MEASURING TESTING
Information
Patent Grant
Methods and apparatus to visualize locations of radio frequency ide...
Patent number
8,564,441
Issue date
Oct 22, 2013
AT&T Intellectual Property I, L.P.
Wayne Chang
G01 - MEASURING TESTING
Information
Patent Grant
Methods and apparatus to visualize locations of radio frequency ide...
Patent number
8,237,564
Issue date
Aug 7, 2012
AT&T Intellectual Property I, L.P.
Wayne Chang
G01 - MEASURING TESTING
Information
Patent Grant
Methods and apparatus to visualize locations of radio frequency ide...
Patent number
7,986,239
Issue date
Jul 26, 2011
AT&T Intellectual Property I, L.P.
Wayne Chang
G01 - MEASURING TESTING
Information
Patent Grant
System and apparatus for silencing communication devices
Patent number
7,956,748
Issue date
Jun 7, 2011
AT&T Intellectual Property I, L.P.
Wayne Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatus to visualize locations of radio frequency ide...
Patent number
7,639,138
Issue date
Dec 29, 2009
AT&T Intellectual Property I, L.P.
Wayne Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System and apparatus for silencing communication devices
Patent number
7,626,504
Issue date
Dec 1, 2009
AT&T Intellectual Property I, L.P.
Wayne Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND APPARATUS TO VISUALIZE LOCATIONS OF RADIO FREQUENCY IDEN...
Publication number
20180182011
Publication date
Jun 28, 2018
AT&T INTELLECTUAL PROPERTY I, L.P.
WAYNE CHANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD AND APPARATUS TO VISUALIZE LOCATIONS OF RADIO FREQUENCY IDEN...
Publication number
20160275586
Publication date
Sep 22, 2016
AT&T INTELLECTUAL PROPERTY I, L.P.
WAYNE CHANG
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND APPARATUS TO VISUALIZE LOCATIONS OF RADIO FREQUENCY IDEN...
Publication number
20150169923
Publication date
Jun 18, 2015
AT&T INTELLECTUAL PROPERTY I, L.P.
WAYNE CHANG
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND APPARATUS TO VISUALIZE LOCATIONS OF RADIO FREQUENCY IDEN...
Publication number
20140046803
Publication date
Feb 13, 2014
AT&T INTELLECTUAL PROPERTY I, L.P.
WAYNE CHANG
G02 - OPTICS
Information
Patent Application
METHODS AND APPARATUS TO VISUALIZE LOCATIONS OF RADIO FREQUENCY IDE...
Publication number
20120317000
Publication date
Dec 13, 2012
AT&T KNOWLEDGE VENTURES, L.P.
Wayne Chang
G02 - OPTICS
Information
Patent Application
METHODS AND APPARATUS TO VISUALIZE LOCATIONS OF RADIO FREQUENCY IDE...
Publication number
20110279246
Publication date
Nov 17, 2011
Wayne Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SYSTEM AND APPARATUS FOR SILENCING COMMUNICATION DEVICES
Publication number
20100041343
Publication date
Feb 18, 2010
AT&T Intellectual Property I, L.P.
WAYNE CHANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHODS AND APPARATUS TO VISUALIZE LOCATIONS OF RADIO FREQUENCY IDE...
Publication number
20100039238
Publication date
Feb 18, 2010
Wayne Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SYSTEM AND APPARATUS FOR SILENCING COMMUNICATION DEVICES
Publication number
20080254781
Publication date
Oct 16, 2008
AT&T KNOWLEDGE VENTURES, L.P.
WAYNE CHANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHODS AND APPARATUS TO VISUALIZE LOCATIONS OF RADIO FREQUENCY IDE...
Publication number
20080191846
Publication date
Aug 14, 2008
Wayne Chang
G06 - COMPUTING CALCULATING COUNTING