Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8031855 | Method for providing enhanced directory assistance upon command using out-of-band signaling | Timothy Timmins, Patrick M. Cox, Nicholas J. Elsey, A. Peter Powell, Paul W. Filliger +1 more | 2011-10-04 |