Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845704 | Switching system for integrated voice/data communications | Christos J. Georgiou | 1989-07-04 |
| 4833670 | Cross-point bit-switch for communication | Yeong-Chang Lien, Kioshi Maruyama, Stanley E. Schuster | 1989-05-23 |
| 4817094 | Fault tolerant switch with selectable operating modes | Yeong-Chang Lien, Michael M. Taso | 1989-03-28 |