Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698151 | Process of making cellulose fibres | Stefan Zikeli, Friedrich Ecker, Franz Schwenninger, Hartmut Ruf | 1997-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698151 | Process of making cellulose fibres | Stefan Zikeli, Friedrich Ecker, Franz Schwenninger, Hartmut Ruf | 1997-12-16 |