Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426380 | Process for producing an absorber material | Mathias Pieper, Detlef Spachmann | 2002-07-30 |
| 6222740 | Multilayer circuit board having at least one core substrate arranged therein | Helmut Ulmer, Gerhard Messarosch | 2001-04-24 |