Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683852 | Light-sensitive material for producing a multi-color image | Stephan J. W. Platzer | 1997-11-04 |
| 5681682 | Light-sensitive material for producing a multi-color image | Stephan J. W. Platzer | 1997-10-28 |
| 5637438 | Photosensitive material and production of metal-colored images utilizing pearl luster pigment | Silvia Neumann, Dieter Mohr | 1997-06-10 |
| 5627009 | Process for the production of a multicolored image | Ine Gramm, Manfred Hilger, Dieter Mohr, Stephan J. W. Platzer | 1997-05-06 |