Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6751372 | Four-port wavelength-selective crossbar switches (4WCS) using reciprocal WDM MUX-DEMUX and optical circulator combination | Nicholas J. Frigo, Cedric Fung Lam | 2004-06-15 |