Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5854701 | Passive optical network | Donald E. A. Clarke, Michael A. Hale | 1998-12-29 |
| 5548432 | Passive optical network switchable between an operational mode and a diagnostic mode | Donald E. A. Clarke, Michael A. Hale | 1996-08-20 |
| 5367394 | Test apparatus | Michael A. Hale, Donald E. A. Clarke | 1994-11-22 |