Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6731076 | Base of an electric discharge lamp with an ignition device | Karl Gerhard, Erwin Gaisbauer, Anton Duschl, Johann Winkler, Guenther Hirschmann +5 more | 2004-05-04 |
| 6181081 | Ignition device for a discharge lamp and method for igniting a discharge lamp | Guenther Hirschmann, Juergen Becker, Gerhard Behr, Peter Helbig | 2001-01-30 |
| 6049172 | Ignition apparatus for a discharge lamp | Guenther Hirschmann, Juergen Becker, Gerhard Behr, Peter Helbig | 2000-04-11 |
| 6031323 | Electric lamp with mechanical connection | Gerhard Behr, Peter Helbig, Hermann Steiner | 2000-02-29 |
| 5990633 | High-pressure discharge lamp having decoupled ignition and load circuits | Guenther Hirschmann, Stefan Mueller, Matthias Mengele, Bernd Lewandowski | 1999-11-23 |
| 5726532 | High-pressure discharge lamp and process for producing it | Dieter Lang | 1998-03-10 |
| 5428261 | Single-ended, plastic-based high-pressure discharge lamp | Manfred Gaugel | 1995-06-27 |