Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6067197 | Difraction grating having enhanced blaze performance at two wavelengths | Semyon L. Zheleznyak | 2000-05-23 |
| 5999318 | Reflective overcoat for replicated diffraction gratings | Richard G. Morton | 1999-12-07 |