Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6792177 | Optical switch with internal monitoring | David E. Welsh, Roger Helkey, Adrian John Keating, Walter Fant | 2004-09-14 |
| 6778739 | Wavelength selective optical switch with aligned input and output substrates | Olivier Jerphagnon, Chandrasekhar Pusarla | 2004-08-17 |