Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771641 | DTMF digit collection and transportation for a packet network | Patrick N. Sollee, Tahsin Choudhuri, Christopher Haun, Stephen R. Whynot | 2004-08-03 |
| 6742042 | Method and apparatus of presenting ticker information | Mark Holden, Julie R. Simons | 2004-05-25 |
| 6678735 | Method and apparatus for a sip client manager | William S. Lee, Mark Holden | 2004-01-13 |