Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872744 | Single quantum well optical modulator | Joseph H. Abeles, Robert F. Leheny | 1989-10-10 |
| 4839702 | Semiconductor device based on charge emission from a quantum well | Anatoly Grinberg | 1989-06-13 |