Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7789573 | Optoelectronic module | — | 2010-09-07 |
| 6244737 | Electric lamp | Uwe Kantim, Werner Kast | 2001-06-12 |
| 5984751 | Method for manufacturing an electric light bulb | — | 1999-11-16 |
| 5856723 | Incandescent lamp with low-beam screening cap | — | 1999-01-05 |