Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639981 | Methods and systems for routing signaling messages associated with ported subscribers in a communications network | Randal Latta Dunn, Jr., David Cox, Venkataramaiah Ravishankar | 2003-10-28 |