Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6438218 | Internet telephone service | Robert D. Farris, Stephen J. Flaherty | 2002-08-20 |
| 6400708 | D-channel voice communications | Robert D. Farris, Raymond Ian Millet, David D. Hunter | 2002-06-04 |