Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6366367 | Method and device for the digital detection of transparent and opaque documents | Hans-Hermann Schreier, Jürgen Valentin, Markus Grigat, Frank Plück, André Brück | 2002-04-02 |
| 5995227 | Method and interference microscope for microscoping an object in order to obtain a resolution beyond the diffraction limit (high resolution) | Christiaan H. F. Velzel, Hans-Hermann Schreier | 1999-11-30 |