Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6628772 | Method for providing enhanced directory assistance upon command using out-of-band signaling | Adam J. McGrath, A. Peter Powell, Paul W. Filliger, Michael A. Kepler, Timothy Timmins +1 more | 2003-09-30 |