Issued Patents All Time
Showing 25 most recent of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10834576 | Methods for provisioning universal integrated circuit cards | Walter Cooper Chastain, Clifton Ashman Campbell, Stephen Emille Chin, David Harber, David K. Smith +1 more | 2020-11-10 |
| 10681534 | Methods for provisioning universal integrated circuit cards | Walter Cooper Chastain, Clifton Ashman Campbell, Stephen Emille Chin, David Harber, David K. Smith +1 more | 2020-06-09 |
| 10574826 | Visual voicemail method for managing deleted messages | Michael Robert Zubas, William Joseph Sigmund | 2020-02-25 |
| 10027814 | Visual voicemail method for managing deleted messages | Michael Robert Zubas, William Joseph Sigmund | 2018-07-17 |
| RE46952 | Systems and methods for consolidating wireline and wireless voicemail boxes | William Joseph Sigmund, Michael Robert Zubas | 2018-07-10 |
| 10015665 | Methods for provisioning universal integrated circuit cards | Walter Cooper Chastain, Clifton Ashman Campbell, Stephen Emille Chin, David Harber, David K. Smith +1 more | 2018-07-03 |
| 9886690 | Systems for provisioning universal integrated circuit cards | Walter Cooper Chastain, Clifton Ashman Campbell, Stephen Emille Chin, David Harber, David K. Smith +1 more | 2018-02-06 |
| 9854427 | Method and apparatus for managing international mobile subscriber identity | Matthew Traye Kenerly | 2017-12-26 |
| 9544437 | Visual voicemail method for managing deleted messages | Michael Robert Zubas, William Joseph Sigmund | 2017-01-10 |
| 9525997 | Method and apparatus for managing international mobile subscriber identity | Matthew Traye Kenerly | 2016-12-20 |
| 9210558 | Updating voicemail with selective establishment of PDP contexts and data sessions | William Joseph Sigmund, Michael Robert Zubas | 2015-12-08 |
| 9185085 | Systems for provisioning universal integrated circuit cards | Walter Cooper Chastain, Clifton Ashman Campbell, Stephen Emille Chin, David Harber, David K. Smith +1 more | 2015-11-10 |
| 8977241 | Voicemail forwarding functionality for communications networks | William Joseph Sigmund, Michael Robert Zubas | 2015-03-10 |
| 8959331 | Systems for provisioning universal integrated circuit cards | Walter Cooper Chastain, Clifton Ashman Campbell, Stephen Emille Chin, David Harber, David K. Smith +1 more | 2015-02-17 |
| 8923825 | Enhanced messaging with language translation feature | William Joseph Sigmund, Michael Robert Zubas | 2014-12-30 |
| 8917824 | Visual voicemail method for managing deleted messages | Michael Robert Zubas, William Joseph Sigmund | 2014-12-23 |
| 8898769 | Methods for provisioning universal integrated circuit cards | Walter Cooper Chastain, Clifton Ashman Campbell, Stephen Emille Chin, David Harber, David K. Smith +1 more | 2014-11-25 |
| 8843117 | Voicemail archival and forwarding functionality for communications networks and devices | William Joseph Sigmund, Michael Robert Zubas | 2014-09-23 |
| 8831573 | Video greetings for voicemail systems | William Joseph Sigmund, Michael Robert Zubas | 2014-09-09 |
| 8798238 | Call handling treatment for voicemail systems | William Joseph Sigmund, Michael Robert Zubas | 2014-08-05 |
| 8798241 | Secure visual voicemail | William Joseph Sigmund, Michael Robert Zubas | 2014-08-05 |
| 8737580 | Toggling voicemail class of service | William Joseph Sigmund, Michael Robert Zubas | 2014-05-27 |
| 8688082 | Systems and methods for consolidating wireline and wireless voicemail boxes | William Joseph Sigmund, Michael Robert Zubas | 2014-04-01 |
| 8655361 | Femtocell service registration, activation, and provisioning | Robert Wayne Lott, Ravindra Babu Gurajala, Kurt Huber, Judson John Flynn, William Gordon Mansfield +16 more | 2014-02-18 |
| 8548438 | Systems and methods for providing enhanced voicemail services | William Joseph Sigmund, Michael Robert Zubas | 2013-10-01 |