Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6456711 | Method for placing a call intended for an enhanced network user on hold while the enhanced network user is unavailable to take the call using a distributed feature architecture | Eric Cheung, Mark Jeffrey Foladare, Shelley B. Goldman, James Christopher Ramming, Roy Philip Weber | 2002-09-24 |