Issued Patents 1997
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703897 | Semiconductor laser with integral spatial mode filter | David F. Welch, David G. Mehuys | 1997-12-30 |
| 5696779 | Wavelength tunable semiconductor laser with mode locked operation | David F. Welch, David G. Mehuys | 1997-12-09 |
| 5689123 | III-V aresenide-nitride semiconductor materials and devices | Jo S. Major, David F. Welch | 1997-11-18 |
| 5677920 | Upconversion fiber laser | Robert G. Waarts, David F. Welch, Steven Sanders | 1997-10-14 |
| 5657153 | Optical amplifier with complementary modulation signal inputs | John G. Endriz, David F. Welch, Robert G. Waarts, Steven Sanders | 1997-08-12 |
| 5651018 | Wavelength-stabilized, high power semiconductor laser | David G. Mehuys, David F. Welch, Robert J. Lang | 1997-07-22 |
| 5602864 | Semiconductor laser with integral spatial mode filter | David F. Welch, David G. Mehuys | 1997-02-11 |
| 5592503 | Semiconductor laser with integral spatial mode filter | David F. Welch, David G. Mehuys | 1997-01-07 |