Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6381317 | Subscriber-initiated automated third party billing feature | Srinivas Bala, Robert S. Westrich | 2002-04-30 |
| 6377680 | Method and apparatus for noise cancellation | Mark Jeffrey Foladare, Shelley B. Goldman, David Phillip Silverman, Robert S. Westrich | 2002-04-23 |
| 6373926 | Centralized message service apparatus and method | Mark Jeffrey Foladare, Shelley B. Goldman, David Phillip Silverman, Robert S. Westrich | 2002-04-16 |