Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6683325 | Thermal expansion compensated opto-electronic semiconductor element, particularly ultraviolet (UV) light emitting diode, and method of its manufacture | Alfred Langer, Reinhard Weitzel | 2004-01-27 |