Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829262 | Aging in tunable semiconductor lasers | David Alan Ackerman, Sung-Nee George Chu, John Evan Johnson, Leonard Jan-Peter Ketelsen, Liming Zhang | 2004-12-07 |
| 6690689 | Apparatus and method for compensating for age induced wavelength drift in tunable semiconductor lasers | David Alan Ackerman | 2004-02-10 |