CC

Clifton Ashman Campbell

AT AT&T: 30 patents #503 of 18,772Top 3%
📍 Norcross, GA: #40 of 638 inventorsTop 7%
🗺 Georgia: #2,083 of 35,610 inventorsTop 6%
Overall (All Time): #315,191 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
11700591 Method and apparatus for managing mobile subscriber identification information according to registration requests Stephen Emille Chin, Walter Cooper Chastain 2023-07-11
11096139 Method and apparatus for managing mobile subscriber identification information according to registration requests Stephen Emille Chin, Walter Cooper Chastain 2021-08-17
10834576 Methods for provisioning universal integrated circuit cards Walter Cooper Chastain, Stephen Emille Chin, David Harber, Brian Keith Rainer, David K. Smith +1 more 2020-11-10
10681534 Methods for provisioning universal integrated circuit cards Walter Cooper Chastain, Stephen Emille Chin, David Harber, Brian Keith Rainer, David K. Smith +1 more 2020-06-09
10609668 Method and apparatus for managing mobile subscriber identification information according to registration requests Stephen Emille Chin, Walter Cooper Chastain 2020-03-31
10470030 Method and apparatus for managing mobile subscriber identification information according to registration errors Walter Cooper Chastain, Stephen Emille Chin 2019-11-05
10299238 Method and apparatus for managing mobile subscriber identification information according to registration requests Stephen Emille Chin, Walter Cooper Chastain 2019-05-21
10237719 Method and apparatus for managing mobile subscriber identification information according to registration errors Walter Cooper Chastain, Stephen Emille Chin 2019-03-19
10015665 Methods for provisioning universal integrated circuit cards Walter Cooper Chastain, Stephen Emille Chin, David Harber, Brian Keith Rainer, David K. Smith +1 more 2018-07-03
9967732 Method and apparatus for managing mobile subscriber identification information according to registration errors Walter Cooper Chastain, Stephen Emille Chin 2018-05-08
9886690 Systems for provisioning universal integrated circuit cards Walter Cooper Chastain, Stephen Emille Chin, David Harber, Brian Keith Rainer, David K. Smith +1 more 2018-02-06
9838991 Method and apparatus for managing mobile subscriber identification information according to registration requests Stephen Emille Chin, Walter Cooper Chastain 2017-12-05
9185085 Systems for provisioning universal integrated circuit cards Walter Cooper Chastain, Stephen Emille Chin, David Harber, Brian Keith Rainer, David K. Smith +1 more 2015-11-10
8959331 Systems for provisioning universal integrated circuit cards Walter Cooper Chastain, Stephen Emille Chin, David Harber, Brian Keith Rainer, David K. Smith +1 more 2015-02-17
8898769 Methods for provisioning universal integrated circuit cards Walter Cooper Chastain, Stephen Emille Chin, David Harber, Brian Keith Rainer, David K. Smith +1 more 2014-11-25