Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6023042 | Apparatus for the production of exposed and metallized substrates | Friedrich Hofmann, Hermann Koop, Manfred Reus, Eberhard Feick | 2000-02-08 |
| 5867460 | Apparatus for laser beam exposure of a substrate disc | Friedrich Hofmann, Hermann Koop, Paul Kaiser, Eberhard Feick, Franz Richter | 1999-02-02 |
| 5777979 | Apparatus for laser exposure of a substrate disk and a method for the centered mounting of a substrate disk | Friedrich Hofmann, Hermann Koop, Eberhard Feick, Franz Richter | 1998-07-07 |
| 5667658 | Master for the duplication of sound recordings and process for its production | Hermann Koop, Wolf-Eckhart Fritsche | 1997-09-16 |
| 5330853 | Multilayer Ti-Al-N coating for tools | Dieter Hofmann | 1994-07-19 |
| 5022978 | Apparatus for coating three dimensional substrates by means of cathode sputtering | Uwe Kopacz, Dieter Hofmann, Hans Schussler, Gunter Eckhardt | 1991-06-11 |
| 4911784 | Method and apparatus for etching substrates with a magnetic-field supported low-pressure discharge | Dieter Hofmann | 1990-03-27 |
| 4871434 | Process for equipment to coat tools for machining and forming techniques with mechanically resistant layers | Wolf-Dieter Munz, Michael Scherer, Otto Knotek | 1989-10-03 |