Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7083476 | Base for a headlight lamp and headlight lamp | Peter Helbig | 2006-08-01 |
| 6981793 | Headlamp bulb | Gerhard Behr, Peter Helbig | 2006-01-03 |
| 6736920 | Method for producing an electric lamp | — | 2004-05-18 |
| 6642640 | Discharge lamp | Peter Helbig, Gerwin Thiel | 2003-11-04 |
| 6244737 | Electric lamp | Roland Rittner, Werner Kast | 2001-06-12 |