Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6389131 | Enhanced initiate call attempt | Barry W. Briggs, Ning-Yin Chou, Kathleen Dalbey | 2002-05-14 |
| 5577110 | Access to capabilities of other telephone stations | — | 1996-11-19 |