Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667573 | Halogen incandescent lamp | Axel Bunk, Walter Ciupke, Guenter Kreis, Thomas Kass, Joachim Koziol | 2003-12-23 |
| 6191526 | Electric lamp having a current lead-in wire with a flattened U-shaped end segment | Rolf Kiesel | 2001-02-20 |
| 5896007 | Halogen incandescent lamp with heat transfer by conduction | Peter Dobiasch, Karlheinz Vogl | 1999-04-20 |