Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690869 | Use of a polymer material on the basis of modified hydrocolloids as covering material | Rudolf Hinterwaldner, Bruno Hertrich | 1997-11-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690869 | Use of a polymer material on the basis of modified hydrocolloids as covering material | Rudolf Hinterwaldner, Bruno Hertrich | 1997-11-25 |