Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6567578 | Fiber optic device operating at two or more wavelengths | B. Barry Zhang | 2003-05-20 |
| 6532321 | Fiber optic isolator for use with multiple-wavelength optical signals | B. Barry Zhang | 2003-03-11 |