Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807253 | Time-varying trellis-coded modulation formats which are robust in channels with phase variations | Joachim Hagenauer | 1989-02-21 |
| 4797879 | Packet switched interconnection protocols for a star configured optical lan | Isam M. I. Habbab, Mohsen Kavehrad | 1989-01-10 |