Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645772 | Refractory ceramic mass for lining the bottoms of electric arc furnaces and process for their repair | Wilfried Eckstein | 1997-07-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645772 | Refractory ceramic mass for lining the bottoms of electric arc furnaces and process for their repair | Wilfried Eckstein | 1997-07-08 |