Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650908 | Communications system for providing multiple services and hold capability of at least one service, and method therefor | Daniel J. Coombes, Anatoly S. Belkin | 2003-11-18 |
| 6138030 | Communications system for providing multiple services and hold capability of at least one service, and method therefor | Daniel J. Coombes, Anatoly S. Belkin | 2000-10-24 |