Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6766113 | Control channel processor and switching mechanism | Mario F. Alvarez, David S. Levy, Jithamithra Sarathy, Anastasios Tzathas | 2004-07-20 |
| 6721502 | Shared optical protection ring architecture | Donald L. Husa, David S. Levy, Timothy O. Murphy, Gaylord W. Richards | 2004-04-13 |