Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5022956 | Producing viaholes in plastic sheets and application of the method | Werner Cziep, Ulrich Kuenzel | 1991-06-11 |
| 4834835 | Producing viaholes in plastic sheets and application of the method | Werner Cziep, Ulrich Kuenzel | 1989-05-30 |
| 4557796 | Method of dry copper etching and its implementation | Frank Druschke, Georg Kraus, Ulrich Kuenzel, Rolf Schaefer | 1985-12-10 |
| 4512847 | Method of measuring the thickness of the removed layer in subtractive workpiece processing | Arwed Brunsch, Gerhard Trippel | 1985-04-23 |
| 4426265 | Method of producing a metallic thin film magnetic disk | Arwed Brunsch, Gerhard Trippel | 1984-01-17 |
| 4310798 | Apparatus for measuring magnetostriction constant | Arwed Brunsch, Jochen Schneider, Gerhard Trippel | 1982-01-12 |