Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5337328 | Semiconductor laser with broad-area intra-cavity angled grating | Robert J. Lang, Kenneth M. Dzurko, David F. Welch | 1994-08-09 |
| 5321718 | Frequency converted laser diode and lens system therefor | Robert G. Waarts, David F. Welch, Robert J. Lang, Derek W. Nam | 1994-06-14 |
| 5282080 | Surface coupled optical amplifier | David F. Welch | 1994-01-25 |