Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7596219 | Method and system for preventing endless looping during telephone call set up | Baoquan Zhang, Charles E. Woodson | 2009-09-29 |
| 7174009 | Elimination of inoperable service node during call set up | Baoquan Zhang, Von K. McConnell | 2007-02-06 |
| 6768793 | Telecommunications resource connection and operation using a service control point | Daniel Charles Sbisa, Shigeru Uchiyama, Bruce Fredrick Salisbury, James David Setter, Steven E. Norby | 2004-07-27 |
| 6470081 | Telecommunications resource connection and operation using a service control point | Daniel Charles Sbisa, Shigeru Uchiyama, Bruce Fredrick Salisbury, James David Setter, Steven E. Norby | 2002-10-22 |
| 5949869 | Called party control of incoming calls | William Brian Sink, Constance Ann DeWitt | 1999-09-07 |