Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6294020 | Device for applying photoresist to a base body surface | Holger Luthje, Reinulf Bottcher | 2001-09-25 |
| 5723188 | Process for producing layers of cubic boron nitride | Holger Luthje, Klaus Bewilogua | 1998-03-03 |