Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797892 | Longitudinally coupled surface emitting semiconductor laser array | Richard K. DeFreez, Richard A. Elliott | 1989-01-10 |
| 4796269 | Two-dimensional phase-locked surface emitting semiconductor laser array | Richard K. DeFreez, Richard A. Elliott | 1989-01-03 |