Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6712576 | Batch charger for cold top electric furnace | Witold S. Czastkiewicz, Erkki Paivinen | 2004-03-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6712576 | Batch charger for cold top electric furnace | Witold S. Czastkiewicz, Erkki Paivinen | 2004-03-30 |