Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6160877 | Method of screening and prioritizing an incoming call | Gregory R. Tatchell, Cynthia I. Ishikawa | 2000-12-12 |
| 5999611 | Subscriber interface for accessing and operating personal communication services | Gregory R. Tatchell, Cynthia I. Ishikawa | 1999-12-07 |
| 5905774 | Method and system of accessing and operating a voice message system | Gregory R. Tatchell, Cynthia I. Ishikawa | 1999-05-18 |