Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5333219 | Asymmetric Y-branch optical device | — | 1994-07-26 |
| 5309534 | Optical filter having multiple interferometric stages | Leonard G. Cohen, Charles H. Henry, Rudolf F. Kazarinov | 1994-05-03 |