Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6892032 | WDM optical network with passive pass-through at each node | David Milton, Tomas Valis, Kexing Liu, Michel Pigeon | 2005-05-10 |
| 6795652 | WDM optical network with passive pass-through at each node | David Milton, Tomas Valis, Kexing Liu, Michel Pigeon | 2004-09-21 |
| 6775479 | WDM optical network with passive pass-through at each node | David Milton, Tomas Valis, Kexing Liu, Michel Pigeon | 2004-08-10 |
| 6757498 | WDM optical network with passive pass-through at each node | David Milton, Tomas Valis, Kexing Liu, Michel Pigeon | 2004-06-29 |
| 6751418 | WDM optical network with passive pass-through at each node | David Milton, Tomas Valis, Kexing Liu, Michel Pigeon | 2004-06-15 |
| 6748174 | WDM optical network with passive pass-through at each node | David Milton, Tomas Valis, Kexing Liu, Michel Pigeon | 2004-06-08 |
| 6631018 | WDM optical network with passive pass-through at each node | David Milton, Tomas Valis, Kexing Liu, Michel Pigeon | 2003-10-07 |
| 6563615 | Technique for detecting noise on a data channel | David Milton, Tomas Valis, Kexing Liu, Michel Pigeon | 2003-05-13 |
| 6556321 | WDM optical network and switching node with pilot tone communications | David Milton, Tomas Valis, Kexing Liu, Michel Pigeon | 2003-04-29 |
| 6529300 | WDM optical network with passive pass-through at each node | David Milton, Tomas Valis, Kexing Liu, Michel Pigeon | 2003-03-04 |
| 6493117 | WDM optical network with passive pass-through at each node | David Milton, Tomas Valis, Kexing Liu, Michel Pigeon | 2002-12-10 |
| 6084694 | WDM optical network with passive pass-through at each node | David Milton, Tomas Valis, Kexing Liu, Michel Pigeon | 2000-07-04 |
| 4615028 | Switching system with separate supervisory links | Conrad W. Lewis | 1986-09-30 |