Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699468 | Bragg grating variable optical attenuator | Mark Farries, Koichi Abe, Gary S. Duck | 1997-12-16 |
| 5615289 | Bandpass optical filter | Gary S. Duck, David Henry Cushing | 1997-03-25 |