Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5787090 | Audio data system with a first information sub-channel, extraction means for extracting said information, and packetizer means for supplementing said audio in a second information sub-channel, and attacher station and user station for use in such a system | Marnix Vlot | 1998-07-28 |