Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5459606 | In-service upgrade for a telecommunication system | Lawrence Baranyai, Francis Butler, John C. Cox, Chi Hsuen Lin | 1995-10-17 |
| 5181134 | Photonic cross-connect switch | Mohammad Taghi Fatehi | 1993-01-19 |