Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6162275 | Steel and a heat treated tool thereof manufactured by an integrated powder metalurgical process and use of the steel for tools | Karin Jonsson, Leif Westin | 2000-12-19 |
| 5578773 | High-speed steel manufactured by powder metallurgy | — | 1996-11-26 |
| 5525140 | High speed steel manufactured by powder metallurgy | — | 1996-06-11 |
| 5435827 | High speed steel manufactured by power metallurgy | — | 1995-07-25 |
| 4780139 | Tool steel | Per I. Hellman | 1988-10-25 |
| 4276085 | High speed steel | — | 1981-06-30 |