Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6604129 | Method and apparatus for a conference call mediation service | Frederick Murray Burg, Kathleen Meier-Hellstern | 2003-08-05 |
| 6587458 | Method and apparatus for an internet Caller-ID delivery plus service | Frederick Murray Burg, Kathleen Meier-Hellstern | 2003-07-01 |