Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6544471 | Method and apparatus for producing high chromium content steels and/or ferroalloys in an electric arc converter | Wei-Ping Wu, Karl-Heinz Deppner | 2003-04-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6544471 | Method and apparatus for producing high chromium content steels and/or ferroalloys in an electric arc converter | Wei-Ping Wu, Karl-Heinz Deppner | 2003-04-08 |