Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657157 | Semiconductor optical amplifying media with reduced self-focusing | Julian S. Osinski, David F. Welch | 1997-08-12 |
| 5651018 | Wavelength-stabilized, high power semiconductor laser | David G. Mehuys, David F. Welch, Donald R. Scifres | 1997-07-22 |