Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5333840 | Blast pipe and tuyere arrangement for a blast furnace and method | Nils-Olov Lindfors, Jan O. Wikstrom | 1994-08-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5333840 | Blast pipe and tuyere arrangement for a blast furnace and method | Nils-Olov Lindfors, Jan O. Wikstrom | 1994-08-02 |