Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6342761 | Discharge lamp having an internal electrode formed of a spiral band | — | 2002-01-29 |
| 5889367 | Long-life high powered excimer lamp with specified halogen content, method for its manufacture and extension of its burning life | Angelika Hofmann, Franz-Josef SCHILLING | 1999-03-30 |