Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879551 | Switching array with concurrent marking capability | Yeong-Chang Lien, Kiyoshi Maruyama | 1989-11-07 |
| 4849978 | Memory unit backup using checksum | Yitzhak Dishon | 1989-07-18 |
| 4845704 | Switching system for integrated voice/data communications | Gerald Lebizay | 1989-07-04 |
| 4829511 | Switched network of optical buses | — | 1989-05-09 |