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CLIFTON ASHMAN CAMPBELL
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Norcross, GA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for managing mobile subscriber identification...
Patent number
11,700,591
Issue date
Jul 11, 2023
AT&T Intellectual Property I, L.P.
Clifton Ashman Campbell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for managing mobile subscriber identification...
Patent number
11,096,139
Issue date
Aug 17, 2021
AT&T Intellectual Property I, L.P.
Clifton Ashman Campbell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods for provisioning universal integrated circuit cards
Patent number
10,834,576
Issue date
Nov 10, 2020
AT&T Intellectual Property I, L.P.
Walter Cooper Chastain
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Methods for provisioning universal integrated circuit cards
Patent number
10,681,534
Issue date
Jun 9, 2020
AT&T Intellectual Property I, L.P.
Walter Cooper Chastain
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for managing mobile subscriber identification...
Patent number
10,609,668
Issue date
Mar 31, 2020
AT&T Intellectual Property I, L.P.
Clifton Ashman Campbell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for managing mobile subscriber identification...
Patent number
10,470,030
Issue date
Nov 5, 2019
AT&T Intellectual Property I, L.P.
Clifton Ashman Campbell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for managing mobile subscriber identification...
Patent number
10,299,238
Issue date
May 21, 2019
AT&T Intellectual Property I, L.P.
Clifton Ashman Campbell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for managing mobile subscriber identification...
Patent number
10,237,719
Issue date
Mar 19, 2019
AT&T Intellectual Property I, L.P.
Clifton Ashman Campbell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods for provisioning universal integrated circuit cards
Patent number
10,015,665
Issue date
Jul 3, 2018
AT&T Intellectual Property I, L.P.
Walter Cooper Chastain
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for managing mobile subscriber identification...
Patent number
9,967,732
Issue date
May 8, 2018
AT&T Intellectual Property I, L.P.
Clifton Ashman Campbell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Systems for provisioning universal integrated circuit cards
Patent number
9,886,690
Issue date
Feb 6, 2018
AT&T Mobility II LLC
Walter Cooper Chastain
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for managing mobile subscriber identification...
Patent number
9,838,991
Issue date
Dec 5, 2017
AT&T Intellectual Property I, L.P.
Clifton Ashman Campbell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Systems for provisioning universal integrated circuit cards
Patent number
9,185,085
Issue date
Nov 10, 2015
AT&T Intellectual Property I, L.P.
Walter Cooper Chastain
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Systems for provisioning universal integrated circuit cards
Patent number
8,959,331
Issue date
Feb 17, 2015
AT&T Intellectual Property I, L.P.
Walter Cooper Chastain
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods for provisioning universal integrated circuit cards
Patent number
8,898,769
Issue date
Nov 25, 2014
AT&T Intellectual Property I, L.P.
Walter Cooper Chastain
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND APPARATUS FOR MANAGING MOBILE SUBSCRIBER IDENTIFICATION...
Publication number
20210345282
Publication date
Nov 4, 2021
AT&T INTELLECTUAL PROPERTY I, L.P.
Clifton Ashman Campbell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHODS FOR PROVISIONING UNIVERSAL INTEGRATED CIRCUIT CARDS
Publication number
20200260261
Publication date
Aug 13, 2020
AT&T INTELLECTUAL PROPERTY I, L.P.
WALTER COOPER CHASTAIN
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD AND APPARATUS FOR MANAGING MOBILE SUBSCRIBER IDENTIFICATION...
Publication number
20200187143
Publication date
Jun 11, 2020
AT&T INTELLECTUAL PROPERTY I, L.P.
Clifton Ashman Campbell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR MANAGING MOBILE SUBSCRIBER IDENTIFICATION...
Publication number
20190230614
Publication date
Jul 25, 2019
AT&T INTELLECTUAL PROPERTY I, L.P.
Clifton Ashman Campbell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR MANAGING MOBILE SUBSCRIBER IDENTIFICATION...
Publication number
20190174297
Publication date
Jun 6, 2019
AT&T INTELLECTUAL PROPERTY I, L.P.
Clifton Ashman Campbell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHODS FOR PROVISIONING UNIVERSAL INTEGRATED CIRCUIT CARDS
Publication number
20180279117
Publication date
Sep 27, 2018
AT&T INTELLECTUAL PROPERTY I, L.P.
Walter Cooper Chastain
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD AND APPARATUS FOR MANAGING MOBILE SUBSCRIBER IDENTIFICATION...
Publication number
20180227742
Publication date
Aug 9, 2018
AT&T INTELLECTUAL PROPERTY I, L.P.
Clifton Ashman Campbell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR MANAGING MOBILE SUBSCRIBER IDENTIFICATION...
Publication number
20180084516
Publication date
Mar 22, 2018
AT&T INTELLECTUAL PROPERTY I, L.P.
Clifton Ashman Campbell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR MANAGING MOBILE SUBSCRIBER IDENTIFICATION...
Publication number
20180049018
Publication date
Feb 15, 2018
AT&T INTELLECTUAL PROPERTY I, L.P.
Clifton Ashman Campbell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEMS FOR PROVISIONING UNIVERSAL INTEGRATED CIRCUIT CARDS
Publication number
20160027001
Publication date
Jan 28, 2016
AT&T Intellectual Property I, LP
WALTER COOPER CHASTAIN
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SYSTEMS FOR PROVISIONING UNIVERSAL INTEGRATED CIRCUIT CARDS
Publication number
20150089225
Publication date
Mar 26, 2015
AT&T INTELLECTUAL PROPERTY I, L.P.
Walter Cooper Chastain
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHODS FOR PROVISIONING UNIVERSAL INTEGRATED CIRCUIT CARDS
Publication number
20150044995
Publication date
Feb 12, 2015
AT&T INTELLECTUAL PROPERTY I, L.P.
Walter Cooper Chastain
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEMS FOR PROVISIONING UNIVERSAL INTEGRATED CIRCUIT CARDS
Publication number
20140143534
Publication date
May 22, 2014
AT&T Mobility II, LLC
Walter Cooper Chastain
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHODS FOR PROVISIONING UNIVERSAL INTEGRATED CIRCUIT CARDS
Publication number
20140140509
Publication date
May 22, 2014
AT&T Mobility II, LLC
Walter Cooper Chastain
G06 - COMPUTING CALCULATING COUNTING