Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656363 | Layer construction with an organic layer and a transparent cover layer which is harder than the organic layer and process for its production | Hans-Juergen Fuesser, Klaus Rohwer, Martin Hartweg | 1997-08-12 |
| 5628920 | Organic layer for subsequent coating with a cover layer which is harder than the organic layer and process for surface treatment of an organic layer | Hans-Juergen Fuesser, Klaus Rohwer, Martin Hartweg | 1997-05-13 |