Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6480333 | Diffractive optical elements on non-flat substrates using electron beam lithography | Paul D. Maker, Richard E. Muller | 2002-11-12 |
| 6423980 | Multi-directional radiation coupling in quantum-well infrared photodetectors | John K. Liu, Sumith V. Bandara, Sarath D. Gunapala | 2002-07-23 |