Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612824 | Narrow band filter and method of making same | Y. Calvin Si, Gary S. Duck, Neil Teitelbaum | 1997-03-18 |
| 5608825 | Multi-wavelength filtering device using optical fiber Bragg grating | — | 1997-03-04 |