Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6178191 | Method for determination of the tip position of consumable electrodes used in electric smelting furnaces | Kjell Kalgraf, Ragnar Tronstad | 2001-01-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6178191 | Method for determination of the tip position of consumable electrodes used in electric smelting furnaces | Kjell Kalgraf, Ragnar Tronstad | 2001-01-23 |