Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |