Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658395 | Method of preparing powders for hard materials from APT and soluble cobalt salts | Sverker Wahlberg, Ingmar Grenthe | 1997-08-19 |
| 5632824 | Method of preparing powders for hard materials from cobalt salts and soluble tungstate salts | Ingmar Grenthe, Sverker Wahlberg | 1997-05-27 |
| 5594929 | Method of preparing powders for hard materials | Sverker Wahlberg, Ingmar Grenthe | 1997-01-14 |