Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4684411 | Method for finishing steel shapes with magnetite and product obtained therefrom | Kaare Johnsen | 1987-08-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4684411 | Method for finishing steel shapes with magnetite and product obtained therefrom | Kaare Johnsen | 1987-08-04 |