Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498931 | CID message retrieval methods and devices | Barbara Mayak | 2002-12-24 |
| 6393108 | Voice messaging system which allows a remote user to return a call without disconnecting from a telephone line | — | 2002-05-21 |