Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6704576 | Method and system for communicating multimedia content in a unicast, multicast, simulcast or broadcast environment | Ronald J. Brachman, Peter Driessen, Evan Stephen Crandall, Steven L. Greenspan, Mathias R. Kretschmer +1 more | 2004-03-09 |
| 6674842 | Multi-line telephone with input/output mixing and audio control | — | 2004-01-06 |