Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6870998 | Variable optical attenuator | Peter E. Sportel | 2005-03-22 |
| 6757472 | Optical waveplate and an optical device using the waveplate | — | 2004-06-29 |
| 6285504 | Variable optical filter | — | 2001-09-04 |