Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6731076 | Base of an electric discharge lamp with an ignition device | Karl Gerhard, Erwin Gaisbauer, Anton Duschl, Christian Wittig, Guenther Hirschmann +5 more | 2004-05-04 |
| 6715535 | Method of and device for rotary casting | Friedhelm Kahn, Joachim Kahn, Gerhard Eisenberger, Horst Paul Grüness, Walter Hauder +5 more | 2004-04-06 |