Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5601520 | Wear-resistant hard-surfacing for the rolls of high-pressure roll presses | Michael Wollner, Frank Fischer-Helwig | 1997-02-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5601520 | Wear-resistant hard-surfacing for the rolls of high-pressure roll presses | Michael Wollner, Frank Fischer-Helwig | 1997-02-11 |